Why is "Blaming only the League's structure and ignoring the choices of Britain and France" a common mistake in The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s) ?

Why it happens: The 'no army / no USA' weaknesses are easy to remember, so students stop there and treat failure as inevitable. How to avoid it: Always weigh structure AGAINST agency. Over Abyssinia the means to act existed (an oil ban, closing Suez) but Britain and France chose not to use them — that choice, not just the design, destroyed the League. The best answers argue the two were inseparable. Source: 9489/9389 Examiner Reports — International option (Paper 2)

Why is "Confusing or merging the Manchurian and Abyssinian crises" a common mistake in The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s) ?

Why it happens: Both involve aggression, sanctions talk and a member leaving the League, so the details blur together under exam pressure. How to avoid it: Keep them distinct: Manchuria (1931–33) = Japan, the Lytton Report, distant, no sanctions, Japan leaves 1933. Abyssinia (1935–36) = Italy, incomplete sanctions, the Hoare–Laval Pact, Italy leaves 1936. Contrasting them (distance vs choice) is exactly what high-level answers do. Source: 9489 syllabus 9.2 content list

Why is "Thinking the sanctions on Italy were full and effective" a common mistake in The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s) ?

Why it happens: Students remember that sanctions WERE imposed and assume they were therefore serious. How to avoid it: Be precise: the sanctions deliberately EXCLUDED oil and the British-controlled Suez Canal stayed OPEN, so Italy stayed supplied. The half-measure is the whole point — it made the League look weak rather than strong. Source: 9489/9389 Examiner Reports — 'imprecise on the Abyssinian sanctions'

Why is "Ignoring the Spanish Civil War or treating it as irrelevant to the League" a common mistake in The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s) ?

Why it happens: Spain feels like a separate event, and the League's near-total absence makes students think there is nothing to say. How to avoid it: Use Spain as EVIDENCE that collective security was already dead by 1936: explain WHY the League did not respond and WHY the Non-Intervention Agreement failed (open intervention by Germany, Italy and the USSR; Britain and France unwilling to enforce it). Source: 9489 syllabus 9.2 content list

Why is "Narrating the crises as a story instead of explaining WHY the League failed" a common mistake in The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s) ?

Why it happens: Students feel safe retelling the invasions, dates and withdrawals rather than building an argument. How to avoid it: Every paragraph must serve the command word. For 'Explain why', each paragraph = a reason for the failure explained. For 'To what extent', each paragraph = a point that supports or challenges the statement, ending with a mini-judgement. Source: 9489/9389 Examiner Reports — International option (Paper 2)

Why is "Writing a balanced essay but never reaching a judgement" a common mistake in The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s) ?

Why it happens: Fear of 'getting it wrong', so students conclude 'every factor was important'. How to avoid it: Set a criterion for 'most important' or 'more damaging' and commit to a verdict with a 'because'. A supported judgement, not balance alone, is what separates Level 5/A* from Level 4/A in Part (b). Source: 9489/9389 Examiner Reports — 'judgement reached and sustained'

International - International history 1929 - 39: The Rise of Extremism and the Road to WarCambridge International A Level History 9489

The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s)

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The League of Nations in Crisis: Failures, Weaknesses and Lost Authority in the 1930s — Cambridge AS & A Level History 9489

In the 1920s the League of Nations looked like the guardian of world peace; by 1939 it was an irrelevance. This subtopic explains WHY the League failed to keep the peace in the 1930s — through the Manchurian and Abyssinian crises, the changing attitudes of the great powers, the Spanish Civil War, and the deep structural weaknesses behind it all. It is the foundation of key question 9.2.

At a glance

The League of Nations was built to keep peace through 'collective security' — but in the 1930s it failed crisis after crisis.
The Manchurian Crisis (1931–33): Japan invaded Manchuria; the Lytton Report condemned Japan, but the League could not act; Japan simply walked out in 1933.
The Abyssinian Crisis (1935–36): Italy invaded Abyssinia; the League imposed weak, incomplete sanctions; the secret Hoare–Laval Pact tried to give Mussolini most of Abyssinia — a fatal blow to the League's credibility.
Great-power attitudes changed fast: Japan left (1933), Germany left (1933) and Italy left (1936); the USSR joined (1934); powers increasingly did deals OUTSIDE the League.
The Spanish Civil War (1936–39): the League barely responded; a separate Non-Intervention Agreement was set up — and broken by Germany, Italy and the USSR.
Root causes of failure: no real disarmament; the absence of major powers (the USA never joined); over-reliance on a self-interested Britain and France; the Great Depression; and rising aggressive nationalism.
The A* debate: did the League fail because of its DESIGN flaws, or because of the CHOICES of its leading members — above all Britain and France over Abyssinia?

What you’ll learn

Mapped to the Cambridge International A Level 9489 syllabus (2027-2029).

9.2 — The response of the League of Nations to major crises, including the Manchurian Crisis (1931–33), the Lytton Report and Japan's withdrawal, and the Abyssinian Crisis (1935–36), including incomplete sanctions and the Hoare–Laval Pact.
9.2 — The changing attitudes of the major powers towards the League, including the withdrawal of Japan (1933), Germany (1933) and Italy (1936), the admission of the USSR (1934), and the growing tendency to make deals outside the League (the Hoare–Laval Pact, the Anglo-German Naval Agreement).
9.2 — The responses to the Spanish Civil War (1936–39), including why the League did not respond, the creation of the Non-Intervention Agreement (1936), and the reasons for its failure (intervention by Germany, Italy and the USSR; the lack of commitment by France and Britain; the International Brigades and other volunteers).
9.2 — The causes of the failure of the League, including the inability to achieve widespread disarmament, the absence of major powers, over-reliance on Britain and France, the effects of the Great Depression, and rising aggressive nationalism.

How the League was meant to keep the peace (and its built-in weaknesses)

Understand 'collective security' and the League's three powers of pressure first — then every 1930s failure makes sense.

Before you can explain WHY the League failed, you must know what it was supposed to do — and where it was weak from the start.

The core idea: collective security The League rested on the promise that if any country attacked another, all the other members would act TOGETHER to stop the aggressor. The threat of the whole world united was supposed to make war pointless. This only works if members are willing and able to act together — and in the 1930s they were neither.

The League's three tools of pressure (in order of strength)

Moral condemnation (verbal warning) — telling an aggressor it was in the wrong. Cheap, but useless against a determined dictator.
Economic sanctions — stopping trade with the aggressor to force it to back down. Powerful in theory, but only if ALL major powers join in and stick to it.
Military force — the League had no army of its own. Any 'collective' military action depended entirely on members (in practice Britain and France) volunteering their forces.

Weaknesses built in from the start

Weakness	Why it crippled the League
No army	It could only act through members' armies — which they were reluctant to risk.
Key powers absent	The USA never joined; the USSR joined only in 1934; Germany was excluded until 1926.
Slow decision-making	Major decisions needed a unanimous vote, so a single state could block action.
Dependence on Britain and France	As the only major powers reliably inside it, they effectively WERE the League's strength — and they put their own interests first.

These flaws were tolerable while no great power challenged the system. The moment Japan, Italy and Germany did — in the crisis-ridden 1930s — the League's weaknesses became fatal.

Collective security = all members act together against any aggressor — only works if members are willing and able.
Three tools, from weakest to strongest: moral condemnation, economic sanctions, military force.
The League had NO army of its own; any force had to come from members (mainly Britain and France).
Built-in weaknesses: USA never joined, unanimous voting, slow action, total dependence on Britain and France.

The Manchurian Crisis (1931–33): the first great failure

Japan invaded, the Lytton Report condemned it, and the League could do nothing but watch Japan walk out.

Manchuria was the League's first test against a major power — and it failed.

What happened

In September 1931 the Japanese army staged an explosion on a railway it controlled near Mukden (the 'Mukden Incident') and used it as an excuse to invade Manchuria, a resource-rich region of northern China.
China appealed to the League. Japan was a permanent member of the League Council — making the League's task acutely awkward.
The League set up a commission of inquiry under Lord Lytton. It took a YEAR to investigate and report.

The Lytton Report (1932–33)

The report concluded that Japan was the aggressor and should hand Manchuria back, while recommending it become a self-governing region under Chinese sovereignty.
The League's Assembly adopted the report in February 1933.
Japan's response was simply to leave the League (March 1933) and keep Manchuria, which it ran as the puppet state of 'Manchukuo'.

Why the League failed here

Distance and difficulty. Manchuria was on the far side of the world. Britain and France had neither the will nor the easy means to send forces to East Asia.
No economic teeth. Sanctions were not imposed — Japan was a major trading partner, the Great Depression made countries desperate to protect trade, and without the USA (Japan's biggest trade partner) sanctions would have been pointless.
Slowness. Taking over a year to report let Japan finish the conquest.

The damage Manchuria showed that a determined great power could defy the League and get away with it. But because Manchuria was distant and Japan acted quickly, many at the time saw this as a special case rather than proof the system was broken — a misjudgement that mattered when Italy moved next.

Sept 1931: Japan used the staged Mukden Incident to invade Manchuria.
The Lytton Report (1932–33) named Japan the aggressor; the League adopted it Feb 1933.
Japan's answer was to LEAVE the League (March 1933) and keep Manchuria as 'Manchukuo'.
League failed: no sanctions, no force, slow inquiry, distance, and the Depression discouraged action.

The Abyssinian Crisis (1935–36): the fatal blow

Italy invaded, sanctions were half-hearted, and the secret Hoare–Laval Pact exposed Britain and France — killing the League's credibility.

If Manchuria was a wound, Abyssinia (modern Ethiopia) was the killing blow — and it was largely self-inflicted by Britain and France.

What happened

October 1935: Mussolini's Italy invaded Abyssinia, one of the few independent African states, to win an empire and avenge an earlier Italian defeat at Adwa (1896).
Abyssinia's emperor, Haile Selassie, appealed personally to the League — a famous moment that made its inaction look shameful.
The League declared Italy the aggressor and, for the first time against a major power, agreed economic sanctions.

Why the sanctions failed

The sanctions were incomplete and weak. Crucially they did NOT include oil — the one commodity that could have crippled the Italian war machine — because Britain and France feared provoking Mussolini.
The Suez Canal, controlled by Britain, was kept open to Italian ships and supplies, so Italy could keep its army in Abyssinia supplied.
The USA, not a member, kept trading. Half-measures gave Mussolini just enough to keep going while making the League look ineffective.

The Hoare–Laval Pact (December 1935): the scandal

While publicly backing sanctions, the British and French foreign ministers — Hoare and Laval — secretly drew up a plan to give Mussolini most of Abyssinia in exchange for ending the war.
The plan was leaked to the press and caused public outrage. Both ministers were forced to resign.
The pact exposed the truth: Britain and France wanted to keep Italy as an ally against Germany MORE than they wanted to defend Abyssinia or the League.

Why this was the fatal blow

It proved the two leading members of the League were willing to betray its principles and do deals behind its back.
Mussolini completed the conquest in May 1936, then left the League later that year and drew closer to Hitler.
After Abyssinia, no one took the League seriously as a guarantor of peace. Aggressors had learned the lesson.

Oct 1935: Italy invaded Abyssinia; Haile Selassie appealed to the League.
Sanctions were imposed but incomplete: NO oil ban, and the Suez Canal stayed open.
Dec 1935: the secret Hoare–Laval Pact offered Mussolini most of Abyssinia — leaked, causing outrage and resignations.
Italy completed the conquest (1936) and left the League — its credibility destroyed.

Changing attitudes of the great powers and the Spanish Civil War

Powers left the League and made deals outside it; in Spain the League stood aside and the Non-Intervention Agreement collapsed.

The crises did not happen in isolation — they were part of a wider collapse in the great powers' commitment to the League.

Members leaving (and one joining)

Japan left (March 1933) after the Lytton Report condemned its actions in Manchuria.
Germany left (October 1933) under Hitler, who used the League's refusal to allow German rearmament as a pretext, and never intended to be bound by it.
The USSR joined (1934) — a rare boost — partly out of fear of Germany and Japan, seeking allies through 'collective security'.
Italy left (1936) after the Abyssinian Crisis, gravitating instead towards Nazi Germany.

By the late 1930s the League had lost three aggressive great powers and gained one (the USSR) that many distrusted — the opposite of what collective security required.

Deals made OUTSIDE the League The fashion of the 1930s was to bypass the League entirely and settle matters by private agreement:

The Hoare–Laval Pact (1935) — a secret deal over Abyssinia.
The Anglo-German Naval Agreement (1935) — Britain agreed bilaterally to let Germany build a navy up to 35% the size of Britain's, undermining the Treaty of Versailles and the League's whole approach WITHOUT consulting other members.

Each such deal told the world that the real business of peace was done elsewhere — not at Geneva.

The Spanish Civil War (1936–39)

A civil war broke out in Spain between the elected Republican (left-wing) government and General Franco's Nationalist (right-wing) rebels.
The League barely responded. It was technically an internal Spanish matter, the League was already discredited, and the great powers preferred to handle it themselves.
Instead, a separate Non-Intervention Agreement (1936) was set up — countries promised NOT to supply weapons or troops to either side.
It failed completely. Germany and Italy openly aided Franco (sending aircraft, troops and weapons — Guernica was bombed by German planes), while the USSR aided the Republic. Britain and France stuck to non-intervention and did little, lacking the will to confront the dictators. Volunteers (the International Brigades) fought for the Republic, but the official policy of non-intervention was a hollow sham.

Spain showed that even a non-League peacekeeping device collapsed once the dictators chose to ignore it — and that Britain and France would not enforce agreements that risked war.

Japan left 1933, Germany left 1933, Italy left 1936; the USSR joined 1934.
Deals OUTSIDE the League became normal: Hoare–Laval Pact (1935) and the Anglo-German Naval Agreement (1935).
Spanish Civil War (1936–39): the League barely responded; a separate Non-Intervention Agreement was set up.
Non-Intervention failed — Germany and Italy backed Franco, the USSR backed the Republic, Britain and France did little.

Why the League failed: the chain of causes

One picture to fix the argument — structural flaws plus great-power self-interest, exposed by Manchuria and destroyed by Abyssinia.

Pull the causes together. The League failed because deep STRUCTURAL weaknesses met a decade of great-power AGGRESSION and SELF-INTEREST.

The underlying causes

No widespread disarmament. The League could never get the powers to disarm; the World Disarmament Conference (1932–34) collapsed, and Germany rearmed openly.
The absence of major powers. The USA never joined at all; the departures of Japan, Germany and Italy stripped the League of the strength to enforce anything.
Over-reliance on Britain and France. As the only consistent great powers inside it, they had to do the enforcing — but both put self-interest first (protecting empires, avoiding war, keeping Italy as an ally).
The Great Depression. Economic crisis made countries protect their own trade, discouraged costly sanctions, and fed the desperate nationalism that produced aggression.
Rising aggressive nationalism. Japan, Italy and Nazi Germany were determined expansionist states that simply would not accept the League's rules.

The chain that destroyed it

The judgement to carry into essays: structural flaws made failure POSSIBLE; the choices of Britain and France (especially over Abyssinia) made it CERTAIN. Manchuria exposed the weakness; Abyssinia, where the means to act existed but the will did not, destroyed the League's authority for good.

No real disarmament; the World Disarmament Conference (1932–34) collapsed.
Absence of major powers: USA never joined; Japan, Germany and Italy departed.
Over-reliance on Britain and France, who put self-interest first.
The Great Depression and rising aggressive nationalism made the crises worse.
Structure made failure possible; British and French choices made it certain.

Quick recap

The League relied on collective security, but had no army, lacked the USA, and depended on a self-interested Britain and France.
The Manchurian Crisis (1931–33): Japan invaded, the Lytton Report condemned it, and Japan simply left the League — the first great failure.
The Abyssinian Crisis (1935–36): Italy invaded, sanctions were incomplete (no oil, Suez open), and the secret Hoare–Laval Pact destroyed the League's credibility.
Great-power attitudes collapsed: Japan (1933), Germany (1933) and Italy (1936) left; the USSR joined (1934); deals were made outside the League.
The Spanish Civil War (1936–39): the League barely responded; the Non-Intervention Agreement failed because Germany, Italy and the USSR intervened anyway.
Failure came from structural flaws (no army, no major powers, no disarmament) AND the self-interested choices of Britain and France — Manchuria exposed the weakness, Abyssinia destroyed the authority.

How it’s examined

This is part of the International option topic 'International history 1929–39: the rise of extremism and the road to war'. Depending on the year's rotation it is examined either on Paper 1 (Historical Sources) — a two-part source question, Part (a) comparing two sources (15 marks, command word 'Compare') and Part (b) using all four sources plus your knowledge to judge 'how far' they support a statement (25 marks) — or on Paper 2 (Outline Study), where Part (a) is a 10-mark 'Explain why…' causal question and Part (b) is a 20-mark 'To what extent…/How far…' judgement essay. For Paper 1, practise weighing source provenance (who wrote it, when, why) on this topic; for Paper 2, practise ranking the reasons the League failed — and reaching a supported judgement on whether design flaws or great-power choices mattered more.

Sources: Cambridge International AS & A Level History 9489 syllabus (for examination from 2027, 2028 and 2029); 9489 Paper 1 (Historical Sources) and Paper 2 (Outline Study) specimen materials and mark schemes; 9489 / 9389 Examiner Reports — International option, International history 1929–39. Last reviewed 2026-05-24.

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Step-by-step solutions to past-paper-style questions on the league of nations in crisis: failures, weaknesses & lost authority (1930s) , written exactly the way a tutor would explain them at the board.

1Getting started: unpacking a Paper 2 'Explain why' (10 marks)
Getting started• Paper 2, Part (a), Explain why, technique
Question
Question: 'Explain why the League of Nations failed to stop Japan in the Manchurian Crisis.' (10 marks) Show how to plan a top-band answer before writing.
Step-by-step solution
1. Step 1
  Read the command word. 'Explain why' = give REASONS and show HOW each one led to the outcome (the League's failure). This is a causal question, not a story of the invasion. You do NOT need a final judgement here — save that for Part (b).
2. Step 2
  Brainstorm reasons for the failure. Distance (Manchuria was on the far side of the world); the absence of the USA (Japan's biggest trading partner, so sanctions were pointless); the Great Depression (countries protected trade and feared costly action); the slowness of the Lytton inquiry; the unwillingness of Britain and France to risk force in East Asia.
3. Step 3
  Pick the THREE strongest reasons — examiners reward developed reasons, not a long thin list. Aim for three well-explained paragraphs.
4. Step 4
  Write each paragraph as a mini-chain: state the reason → give specific evidence → explain HOW it caused the failure. Example chain: 'No effective sanctions → the USA was outside the League and was Japan's main trade partner → so any League trade ban would have left Japan supplied and the League looking weak.'
5. Step 5
  Add specific detail to lift each point (e.g. the Mukden Incident of September 1931, the year-long Lytton inquiry, Japan's withdrawal in March 1933). Specifics move you from a generic answer to a top-band one.
Answer
Plan = 3 developed causal paragraphs (e.g. distance / no effective sanctions without the USA / the Depression and great-power reluctance), each as a chain: reason → specific evidence → how it caused the failure. No conclusion needed for a 10-mark 'Explain why'.
Examiner tip
Paper 2 Part (a) tests AO1 (knowledge) + AO2 (explanation). The top band rewards 'a range of reasons, each explained and supported with accurate detail'. Listing reasons without explaining HOW they caused the failure caps the answer in the middle.
2Getting started: spotting similarity AND difference (Paper 1a)
Getting started• Paper 1, Part (a), Compare, technique
Question
A Paper 1 Part (a) asks: 'Compare these two sources as evidence about why the League failed over Abyssinia.' (15 marks) How do you build a comparison rather than two summaries?
Step-by-step solution
1. Step 1
  Decode the command word. 'Compare' = you MUST cover BOTH similarities AND differences. An answer that only finds similarities (or only differences) cannot reach the top band.
2. Step 2
  Read each source for its MESSAGE about the topic (here: why the League failed over Abyssinia). Summarise each in one sentence in the margin — what does it blame? Weak sanctions? Britain and France? Mussolini's determination?
3. Step 3
  Find a point of agreement. e.g. both sources agree the sanctions were too weak to stop Italy. Quote a short phrase from each as evidence.
4. Step 4
  Find a point of difference. e.g. Source A blames the League's structure, while Source B blames the self-interested choices of Britain and France (the Hoare–Laval Pact).
5. Step 5
  Explain WHY the difference exists using provenance and context — who wrote it, when, and why? A League official's defence and an opposition critic's speech will frame the same failure differently. This 'explaining why' is what separates Level 4/5 from a basic compare.
Answer
Structure: (1) point of similarity + quote from each; (2) point of difference + quote from each; (3) explain the difference using provenance/context. Always do BOTH similarity and difference.
Examiner tip
Paper 1 is 75% AO3 (sources). Table A rewards comparison that is supported from the sources AND explained using contextual knowledge or provenance. Two separate source summaries with no actual comparison is the single most common Part (a) failing.
3Building confidence: structuring a 20-mark 'How far do you agree' essay
Building confidence• Paper 2, Part (b), How far do you agree, judgement
Question
Question: "'The League of Nations failed mainly because of its own structural weaknesses.' How far do you agree?" (20 marks) Build a structure that guarantees a judgement.
Step-by-step solution
1. Step 1
  Turn the statement into a question you will answer: did STRUCTURE (no army, no USA, slow voting) cause the failure, or did the CHOICES of the members (especially Britain and France) matter more? You must reach a verdict.
2. Step 2
  Plan the argument FOR the statement. Develop the structural case: no army of its own, the USA never joined, unanimous voting made action slow, no major power left to enforce decisions once Japan, Germany and Italy departed.
3. Step 3
  Plan the argument AGAINST (alternative factors). The self-interested choices of Britain and France (no oil ban, Suez kept open, the Hoare–Laval Pact); the Great Depression; rising aggressive nationalism in Japan, Italy and Germany. Show the failure was not only about design.
4. Step 4
  Decide your criterion for judging. e.g. 'the main reason = the factor without which the League could have stopped at least one aggressor.' A criterion makes your judgement look deliberate, not random.
5. Step 5
  Write a supported conclusion. Don't sit on the fence. e.g. 'Structural flaws made failure possible, but over Abyssinia the means to act clearly existed — so it was the choices of Britain and France that turned weakness into collapse.' Judge, and justify.
Answer
Structure = intro (define the debate) → FOR structure → AGAINST (choices of Britain/France, Depression, nationalism) → criterion-based judgement → conclusion that picks a side. The judgement, not the narrative, earns the top band.
Examiner tip
Paper 2 Part (b) is 50% AO1 + 50% AO2. Top band requires a 'sustained, balanced analysis leading to a supported judgement'. Many candidates explain both sides well but never actually decide — that costs the highest marks.
4Building confidence: the Paper 1 25-mark 'How far' (grouping sources)
Building confidence• Paper 1, Part (b), How far, technique
Question
Part (b): 'Read all the sources. How far do these sources support the view that the League failed because Britain and France put their own interests first?' (25 marks) How do you use FOUR sources without just describing them?
Step-by-step solution
1. Step 1
  Group the four sources by argument. Which SUPPORT the view (Britain and France acted selfishly) and which CHALLENGE it (e.g. the structural flaws, or the aggressors' determination, were really to blame)? Grouping turns four summaries into two arguments.
2. Step 2
  Argue the SUPPORT side using the sources as evidence — cross-reference: 'Sources B and D agree that Britain and France protected their own interests, as B's reference to keeping Italy as an ally shows…'.
3. Step 3
  Argue the CHALLENGE side — 'However, Source A stresses that the League had no army of its own, and Source C points to Japan's determination to defy any condemnation.'
4. Step 4
  Evaluate reliability/provenance to decide how much weight each source carries — a politician's public speech defending government policy will downplay self-interest; a private diary may be more candid about it.
5. Step 5
  Reach a judgement on 'how far' — e.g. 'The sources strongly support the role of British and French self-interest, especially over Abyssinia, but they show it worked together with the League's structural weakness rather than alone.' Address the EXTENT, not just the two sides.
Answer
Group sources for/against → cross-reference within each group → weigh provenance/reliability → judge the EXTENT of support. Never go through sources one-by-one describing them.
Examiner tip
Table B for Part (b) rewards using ALL four sources, grouped into an argument, with evaluation and a judgement on the extent of support. 'Source A says… Source B says…' source-by-source narration is the classic mid-band trap.
5Stretch: reaching an A* judgement (avoiding the fence)
Stretch• Paper 2, Part (b), A* technique, judgement
Question
Many students write 'both crises were bad' or 'it depends'. Show how to turn a balanced essay comparing Manchuria and Abyssinia into a genuinely A*-level supported judgement.
Step-by-step solution
1. Step 1
  Establish a clear criterion early — tell the examiner HOW you will decide which crisis was 'more damaging' (e.g. by which crisis showed the League's leaders deliberately abandoning its principles, or which ended any chance of recovery).
2. Step 2
  Rank, don't just list. Show how the crises interacted: 'Manchuria exposed the weakness, but Abyssinia destroyed the authority' — establish a hierarchy, not a draw.
3. Step 3
  Use a discriminating example — over Abyssinia the means to act EXISTED (an oil ban, closing the British-controlled Suez Canal) but were not used, whereas Manchuria was genuinely distant and hard to reach. This contrast does the analytical work.
4. Step 4
  Acknowledge the strongest counter-point and answer it — concede that Manchuria came FIRST and set the precedent that aggressors could escape, then explain why Abyssinia's self-inflicted, close-to-home failure was still the decisive blow.
5. Step 5
  Write a judgement that COMMITS — a one-sentence verdict with a 'because'. 'Therefore Abyssinia was more damaging, because it proved the League's leading members would betray its principles even when they had the power to act.'
Answer
A* judgement = explicit criterion + ranking of interacting events + a discriminating example (Suez/oil ban vs distance) + answering the strongest counter-point + a committed 'because' verdict. 'Both crises mattered' is not a judgement.
Examiner tip
Examiner reports repeatedly note that the difference between Level 4 and Level 5 is a 'judgement that is reached and sustained', not the amount of knowledge. A criterion-based, committed conclusion is the single most reliable A* habit.
6Stretch: evaluating source provenance under time pressure
Stretch• Paper 1, provenance, evaluation, technique
Question
On Paper 1, how do you quickly evaluate a source's reliability/usefulness on the League's failures without wasting time?
Step-by-step solution
1. Step 1
  Use NOP: Nature, Origin, Purpose. Nature = what type of source (private letter? official speech? cartoon? diary?). Origin = who, when, where. Purpose = why was it produced and for whom?
2. Step 2
  Turn provenance into an argument, not a label. Don't just say 'this is biased'. Explain the EFFECT: a British government minister's public speech in 1935 will downplay self-interest and stress how 'firmly' the League acted, so it is more useful for OFFICIAL JUSTIFICATIONS than for the real motives behind the Hoare–Laval Pact.
3. Step 3
  Match purpose to the question. Mussolini's own propaganda is unreliable about the rights and wrongs of the Abyssinian War but HIGHLY revealing about his contempt for the League — which may be exactly what the question is about.
4. Step 4
  Cross-reference to test reliability — does another source confirm or contradict it? Corroboration strengthens; contradiction invites you to weigh which to trust and why (e.g. a candid memo vs a public reassurance).
5. Step 5
  Be concise. One sharp provenance point that changes how you weigh the source beats a paragraph of generic 'bias' comment. Save time for the argument.
Answer
Apply NOP (Nature/Origin/Purpose) → state the EFFECT on usefulness for THIS question → cross-reference → keep it sharp. Evaluation should change your weighting of the source, not just describe it.
Examiner tip
AO3 credit comes from using provenance to evaluate, not from spotting bias for its own sake. 'It is biased so it is useless' is self-penalising — a source's bias often makes it MORE useful as evidence of attitudes and motives.

Model Answers — The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s)

High-scoring sample answers for the league of nations in crisis: failures, weaknesses & lost authority (1930s) on the Cambridge International A Level 9489 paper, with examiner-style notes mapping each response to the mark scheme and assessment objectives.

Question 1
9489 Paper 2-style 'Explain why' question10 marks
[EASY] Explain why the League of Nations failed to stop Japan in the Manchurian Crisis. (Paper 2, Part (a), 10 marks)
Model answer
The League failed to stop Japan in Manchuria because of the region's distance, the absence of effective economic pressure, and the unwillingness of the leading powers to act.

The first reason was distance and difficulty. Manchuria lay on the far side of the world, thousands of miles from Britain and France, the only major League members able to project force. Sending an army or a navy to East Asia would have been enormously costly and slow, so the League had no realistic means of military action against a determined Japan.

A second reason was the absence of effective economic sanctions. The most powerful weapon the League had was a trade ban, but this needed all major trading nations to take part. The USA was never a member of the League and was Japan's largest trading partner, so any League sanctions would have left Japan supplied while making the League look weak. The Great Depression also made countries desperate to protect their own trade, so they were reluctant to impose costly sanctions on anyone.

Finally, the League's response was slow and lacked will. It set up the Lytton inquiry, which took a year to report. By the time it condemned Japan as the aggressor (and the Assembly adopted the report in February 1933), Japan had completed its conquest and simply left the League in March 1933, keeping Manchuria as the puppet state of Manchukuo. Britain and France would not risk war in a distant region to enforce a decision the aggressor had already ignored.
Why this scores
Scores in the top band: three developed reasons (not a thin list), each explained as a causal chain and supported with precise detail (the Lytton Report, the absence of the USA, Japan's withdrawal in March 1933). Note there is no final judgement — correct for a 10-mark 'Explain why', which tests explanation (AO2) not evaluation.
Question 2
9489 Paper 2-style 'Explain why' question10 marks
[EASY] Explain why the Abyssinian Crisis damaged the League of Nations so badly. (Paper 2, Part (a), 10 marks)
Model answer
The Abyssinian Crisis damaged the League so badly because its sanctions were too weak to work, because its leading members were caught betraying its principles, and because the aggressor escaped unpunished.

First, the sanctions were incomplete and ineffective. When Italy invaded Abyssinia in October 1935, the League declared Italy the aggressor and imposed economic sanctions, but these crucially did NOT include oil — the one commodity that could have crippled the Italian war machine — and the British-controlled Suez Canal was kept open to Italian supply ships. Half-measures gave Mussolini just enough to continue the war while exposing the League as unable to enforce a serious penalty.

Second, the Hoare–Laval Pact revealed the hypocrisy of the leading members. While publicly supporting sanctions, the British and French foreign ministers secretly agreed in December 1935 to give Mussolini most of Abyssinia to end the war. When the plan was leaked to the press, there was public outrage and both ministers resigned. This proved that Britain and France valued keeping Italy as an ally against Germany more than they valued the League's principles.

Third, the aggressor got away with it. Italy completed its conquest of Abyssinia in May 1936 and then left the League, drawing closer to Hitler. After watching a major power defy the League, ignore its sanctions and be offered a secret deal, no one could take the League seriously as a peacekeeper again — which is why Abyssinia, not Manchuria, is seen as the fatal blow.
Why this scores
A strong top-band response: three explained reasons with specific detail (no oil ban, Suez open, the Hoare–Laval Pact, Italy's departure in 1936), and a sophisticated final touch contrasting Abyssinia with Manchuria as the 'fatal blow'. This kind of linking is exactly what pushes AO2 marks up even in a 10-mark answer.
Question 3
9489 Paper 1-style sources (illustrative extracts) with Table A technique15 marks
[MEDIUM] Read Sources A and B. Compare these two sources as evidence about why the League of Nations failed over Abyssinia. (Paper 1, Part (a), 15 marks)

Source A (from a speech by a British government minister in Parliament, 1936): 'The League acted as firmly as any body could against Italy. We imposed sanctions without delay. But no League, lacking armies of its own, can compel a great power that is determined to fight, and it would have been madness to risk a European war over a distant African quarrel.'

Source B (from the private diary of a senior League of Nations official, 1936): 'The truth is that London and Paris never meant the sanctions to bite. They left out oil and kept the Suez Canal open, and then Hoare and Laval tried to hand half of Abyssinia to Mussolini behind our backs. The League did not fail — it was betrayed by its own leading members.'
Model answer
Similarity. Both sources agree that the League's response to Italy was ultimately ineffective and that the actions of Britain and France were central to the outcome. Source A admits that the League could not 'compel a great power that is determined to fight', while Source B agrees that 'the League did not fail' on its own terms. Both also place Britain and France at the heart of events — A speaks for the British government's decisions, and B names 'London and Paris' directly.

Difference. The sources disagree sharply about WHY the League failed. Source A blames structural weakness and circumstance — the League had no 'armies of its own', and acting over a 'distant African quarrel' risked a European war, so failure was unavoidable. Source B blames the deliberate self-interest of Britain and France — they 'never meant the sanctions to bite', 'left out oil', kept Suez open, and through the Hoare–Laval Pact tried to give Mussolini 'half of Abyssinia'. Where A presents the League as doing its honest best within real limits, B presents it as 'betrayed by its own leading members'.

Explaining the difference (provenance and context). The contrast is best explained by who produced each source and why. Source A is a government minister's public speech in Parliament (1936), designed to DEFEND government policy and reassure the public, so it naturally stresses unavoidable structural limits and plays down any selfish calculation. Source B is a private diary of a League official (1936), never intended for publication, so its author can be candid about the cynical motives — keeping Italy as an anti-German ally — that the minister would never admit in public. The different purposes and audiences explain why one blames the system and the other blames the leaders — and remind us that both the structural weakness AND the choices of Britain and France contributed to the failure.
Why this scores
Top-band Table A: covers BOTH a similarity and a difference, supports each with short quotations from BOTH sources, and — crucially — explains WHY the difference exists using provenance (nature, audience, purpose) and contextual knowledge. The final sentence links back to the historical debate (design vs choices). This is the structure to imitate.
Question 4
9489 Paper 2-style 'How far do you agree' question20 marks
[MEDIUM] 'The League of Nations failed in the 1930s mainly because of its own structural weaknesses.' How far do you agree? (Paper 2, Part (b), 20 marks)
Model answer
The League's structural weaknesses were certainly important to its failure, but they worked alongside the self-interested choices of the leading powers, and it is argued here that those choices — especially over Abyssinia — were ultimately decisive.

The case for structural weakness. The League was flawed by design. It had no army of its own, so any collective action depended on members volunteering forces. The USA never joined, which removed the world's strongest economy and made sanctions far less effective — as in Manchuria, where the USA's continued trade with Japan undermined any ban. Decisions often required unanimity, making the League slow, and once Japan (1933), Germany (1933) and Italy (1936) departed, it lost the great-power strength needed to enforce anything. These flaws made failure possible.

The case for other factors. However, the failure was not only about design. The choices of Britain and France were repeatedly self-interested: over Abyssinia they imposed sanctions but deliberately excluded oil and kept the Suez Canal open, and the secret Hoare–Laval Pact showed they preferred to keep Italy as an ally than to defend the League. The Great Depression made states protect their own economies rather than risk costly action, and aggressive nationalism in Japan, Italy and Germany produced leaders who would defy any rules. These factors were about will, not just structure.

Judgement. If 'mainly' means the factor without which at least one aggressor could have been stopped, then structure cannot be the whole answer, because over Abyssinia the means to act clearly EXISTED — an oil ban and the closing of Suez could have crippled Italy — but were not used. Structural weakness made the League fragile, but it was the self-interested choices of Britain and France that turned a fragile system into a discredited one. The structure made failure possible; the choices made it certain.
Why this scores
A clear Level 5 answer: balanced (developed case for AND against), supported with precise evidence, and — decisively — it reaches a SUPPORTED judgement using an explicit criterion ('the factor without which an aggressor could have been stopped'). It does not sit on the fence. The 'possible vs certain' distinction shows analytical maturity.
Question 5
9489 Paper 2-style 'To what extent' question (A* exemplar)20 marks
[HARD] To what extent was the Abyssinian Crisis more damaging to the League of Nations than the Manchurian Crisis? (Paper 2, Part (b), 20 marks)
Model answer
The Abyssinian Crisis was significantly more damaging to the League than the Manchurian Crisis, because it was a self-inflicted failure close to home where the means to act existed, whereas Manchuria was a distant crisis that was genuinely difficult to resolve. This answer judges 'more damaging' as the crisis that did most to destroy the League's CREDIBILITY as a peacekeeper.

The case that Manchuria was the greater blow. Manchuria (1931–33) came FIRST and set the fatal precedent. It showed for the very first time that a great power — Japan — could defy the League, ignore the Lytton Report, and simply walk out (March 1933) without consequence. Aggressors everywhere drew the lesson that the League was toothless, and arguably this precedent emboldened Mussolini and Hitler. On this view, the rot began in Manchuria.

The case that Abyssinia was more damaging. Yet Abyssinia (1935–36) did far deeper damage for several reasons. First, the means to act EXISTED: unlike distant Manchuria, Abyssinia could be reached through the Suez Canal, which Britain controlled and could have closed, and an oil embargo could have crippled Italy — but both were refused. The failure was therefore a CHOICE, not a misfortune. Second, the Hoare–Laval Pact revealed the League's own leading members secretly plotting to hand most of Abyssinia to the aggressor, exposing their hypocrisy in a way Manchuria never did. Third, the consequences were graver: Italy completed its conquest, left the League (1936), and moved towards Germany, so the crisis directly reshaped the balance of power.

Judgement. Manchuria exposed the League's weakness, but Abyssinia destroyed its authority. The decisive distinction is that in Manchuria failure could be blamed on distance and difficulty, whereas in Abyssinia the tools to stop Italy were available and were deliberately withheld to keep Mussolini as an anti-German ally. Because Abyssinia proved the League's leading members would betray its principles even when they had the power to uphold them, it was the more damaging crisis — the moment the League ceased to be taken seriously at all.
Why this scores
An A* (top Level 5) response. It sets an explicit criterion (damage to CREDIBILITY), develops both sides with precise evidence (Lytton Report, Suez, oil embargo, Hoare–Laval), and uses the Suez/oil contrast brilliantly as a discriminating point that 'distance vs choice' is what divides the two crises. The judgement is committed and nuanced (exposed weakness vs destroyed authority) rather than fence-sitting. This is the analytical control that separates A* from A.
Question 6
9489 Paper 1-style four-source set (illustrative) with Table B technique25 marks
[HARD] Read all four sources. How far do these sources support the view that the League of Nations failed in the 1930s mainly because Britain and France put their own interests first? (Paper 1, Part (b), 25 marks)

Source A — A British minister's parliamentary speech (1936): the League had no army of its own and could not compel a determined great power. Source B — A League official's private diary (1936): 'Hoare and Laval tried to hand half of Abyssinia to Mussolini behind our backs… the League was betrayed by its leading members.' Source C — A Japanese newspaper editorial (1933): celebrates Japan's withdrawal from the League and declares that Japan will pursue its destiny in Manchuria 'whatever Geneva may say'. Source D — A French politician's memoir (1946): 'We dared not impose an oil embargo or close the Suez Canal, for we feared losing Italy as a friend against Hitler. Our caution doomed the League.'
Model answer
The sources offer strong support for the view that British and French self-interest was central to the League's failure, but taken together they show this operated alongside both the League's structural weakness and the determination of aggressor states.

Sources that support the view (British/French self-interest). Sources B and D provide direct support. Source B, a candid private diary, states that 'Hoare and Laval tried to hand half of Abyssinia to Mussolini behind our backs' and that the League was 'betrayed by its leading members'. Source D, a French politician's memoir, openly confesses that 'we dared not impose an oil embargo or close the Suez Canal' for fear of 'losing Italy as a friend against Hitler', and concludes that 'our caution doomed the League'. Cross-referenced, B and D agree that Britain and France deliberately withheld effective action over Abyssinia to protect their own diplomatic interests.

Sources that challenge the view. Sources A and C qualify this picture. Source A points to a structural cause — the League 'had no army of its own and could not compel a determined great power' — implying the failure was built into its design, not simply a matter of British and French choice. Source C reveals the determination of an aggressor: a Japanese editorial vowing that Japan will pursue its aims 'whatever Geneva may say'. This shows that even a more committed League might have struggled against states resolved to defy it, locating the cause in aggressive nationalism rather than Western self-interest.

Evaluation of the sources. Provenance affects how much weight each carries. Source B (a private diary) is candid and so is valuable evidence of genuine motive, though it reflects one official's view. Source A is a public parliamentary speech designed to defend government policy, so it has a clear motive to blame the structure rather than admit self-interest — this makes it less reliable about Britain's real calculations but very useful as evidence of the OFFICIAL justification. Source D, a memoir written in 1946 with hindsight, is unusually frank about self-interest but may also seek to explain (or excuse) past decisions. Source C is propaganda, unreliable about the rights and wrongs, yet revealing about Japanese contempt for the League.

Judgement on 'how far'. The sources strongly support British and French self-interest as A central cause — the two most candid sources for actual decision-making (B and D) both confirm it over Abyssinia. But they do NOT support it as the SOLE cause: A shows a genuine structural inability to enforce decisions, and C shows aggressors determined to defy the League regardless. The sources therefore support the view to a considerable but limited extent: British and French self-interest was decisive in the crisis that destroyed the League's credibility (Abyssinia), but it worked together with structural weakness and aggressive nationalism rather than alone.
Why this scores
Top-band Table B. It GROUPS the four sources into 'support' (B, D) and 'challenge' (A, C) rather than narrating them one-by-one; cross-references within groups; evaluates provenance to weigh reliability (and cleverly turns A's defensive purpose and D's hindsight into evaluation points); and reaches a clear judgement on the EXTENT of support. Using ALL four sources, in argument form, with evaluation and a measured 'how far' verdict, is exactly what the 25-mark mark scheme demands.

Key Definitions and Keywords — The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s)

Definitions to memorise and the exact keywords mark schemes credit for the league of nations in crisis: failures, weaknesses & lost authority (1930s) answers — sharpened from recent examiner reports for the 2026 Cambridge International A Level 9489 sitting.

Collective security
Examiner keyword
The League's founding principle that all member states would act together against any aggressor, so that the threat of united opposition would deter or stop war.
(Economic) sanctions
Examiner keyword
Restrictions on trade with an aggressor state, intended to force it to back down. Effective only if all major powers take part — over Abyssinia they were incomplete (no oil ban, Suez kept open).
The Lytton Report
Examiner keyword
The League's commission of inquiry (1932–33) into the Manchurian Crisis, which concluded Japan was the aggressor and should return Manchuria — but had no power to enforce its findings.
The Hoare–Laval Pact
Examiner keyword
A secret 1935 plan by the British and French foreign ministers to give Mussolini most of Abyssinia. Leaked to the press, it caused outrage and exposed the leading powers' betrayal of the League.
The Non-Intervention Agreement
Examiner keyword
A 1936 agreement, set up outside the League, by which states promised not to supply weapons or troops to either side in the Spanish Civil War. It failed because Germany, Italy and the USSR intervened anyway.
Aggression
Examiner keyword
The use of armed force by one state against another's territory or independence. Identifying and stopping the 'aggressor' was the League's central duty — one it repeatedly failed to fulfil.
Disarmament
Examiner keyword
The reduction of armed forces and weapons. The League aimed for widespread disarmament but failed — the World Disarmament Conference (1932–34) collapsed and Germany rearmed.
Appeasement (brief)
The policy of giving in to some demands of aggressive powers to avoid war. The willingness to do deals with Italy (and later Germany) outside the League grew out of this approach.

Common Mistakes and Misconceptions — The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s)

The traps other students keep falling into on the league of nations in crisis: failures, weaknesses & lost authority (1930s) questions — taken from recent Cambridge International A Level 9489 examiner reports and mark schemes — and how to avoid them.

✕Blaming only the League's structure and ignoring the choices of Britain and France
9489/9389 Examiner Reports — International option (Paper 2)
Why it happens
The 'no army / no USA' weaknesses are easy to remember, so students stop there and treat failure as inevitable.
How to avoid it
Always weigh structure AGAINST agency. Over Abyssinia the means to act existed (an oil ban, closing Suez) but Britain and France chose not to use them — that choice, not just the design, destroyed the League. The best answers argue the two were inseparable.
✕Confusing or merging the Manchurian and Abyssinian crises
9489 syllabus 9.2 content list
Why it happens
Both involve aggression, sanctions talk and a member leaving the League, so the details blur together under exam pressure.
How to avoid it
Keep them distinct: Manchuria (1931–33) = Japan, the Lytton Report, distant, no sanctions, Japan leaves 1933. Abyssinia (1935–36) = Italy, incomplete sanctions, the Hoare–Laval Pact, Italy leaves 1936. Contrasting them (distance vs choice) is exactly what high-level answers do.
✕Thinking the sanctions on Italy were full and effective
9489/9389 Examiner Reports — 'imprecise on the Abyssinian sanctions'
Why it happens
Students remember that sanctions WERE imposed and assume they were therefore serious.
How to avoid it
Be precise: the sanctions deliberately EXCLUDED oil and the British-controlled Suez Canal stayed OPEN, so Italy stayed supplied. The half-measure is the whole point — it made the League look weak rather than strong.
✕Ignoring the Spanish Civil War or treating it as irrelevant to the League
9489 syllabus 9.2 content list
Why it happens
Spain feels like a separate event, and the League's near-total absence makes students think there is nothing to say.
How to avoid it
Use Spain as EVIDENCE that collective security was already dead by 1936: explain WHY the League did not respond and WHY the Non-Intervention Agreement failed (open intervention by Germany, Italy and the USSR; Britain and France unwilling to enforce it).
✕Narrating the crises as a story instead of explaining WHY the League failed
9489/9389 Examiner Reports — International option (Paper 2)
Why it happens
Students feel safe retelling the invasions, dates and withdrawals rather than building an argument.
How to avoid it
Every paragraph must serve the command word. For 'Explain why', each paragraph = a reason for the failure explained. For 'To what extent', each paragraph = a point that supports or challenges the statement, ending with a mini-judgement.
✕Writing a balanced essay but never reaching a judgement
9489/9389 Examiner Reports — 'judgement reached and sustained'
Why it happens
Fear of 'getting it wrong', so students conclude 'every factor was important'.
How to avoid it
Set a criterion for 'most important' or 'more damaging' and commit to a verdict with a 'because'. A supported judgement, not balance alone, is what separates Level 5/A* from Level 4/A in Part (b).

Practice questions

Exam-style questions with step-by-step worked solutions. Try one before checking the method.

Past paper style quiz

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The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s)

Short Study Notes in the form of Slides

Short Study Notes — The League of Nations in Crisis: Failures, Weaknesses & Lost Authority (1930s)

Detailed Notes

What you’ll learn

How it’s examined

1Getting started: unpacking a Paper 2 'Explain why' (10 marks)

2Getting started: spotting similarity AND difference (Paper 1a)

3Building confidence: structuring a 20-mark 'How far do you agree' essay

4Building confidence: the Paper 1 25-mark 'How far' (grouping sources)

5Stretch: reaching an A* judgement (avoiding the fence)

6Stretch: evaluating source provenance under time pressure

Collective security

(Economic) sanctions

The Lytton Report

The Hoare–Laval Pact

The Non-Intervention Agreement

Aggression

Disarmament

Appeasement (brief)

✕Blaming only the League's structure and ignoring the choices of Britain and France

✕Confusing or merging the Manchurian and Abyssinian crises

✕Thinking the sanctions on Italy were full and effective

✕Ignoring the Spanish Civil War or treating it as irrelevant to the League

✕Narrating the crises as a story instead of explaining WHY the League failed

✕Writing a balanced essay but never reaching a judgement

Practice questions

Past paper style quiz

Assess your understanding