The wartime transformation.
The outbreak of war in September 1939 transformed Nazi racial policy. Three changes were decisive:
1. The end of emigration.
With Britain at war and most of Europe under Nazi or German-allied control, Jews could no longer leave. The pre-war policy of forced emigration became logistically impossible. The Jewish population trapped in the Reich and conquered territories had to be 'dealt with' inside Nazi Europe.
2. Vastly expanded Jewish populations.
After Poland's defeat (Sept 1939), the Reich controlled about 2 million Polish Jews plus large communities elsewhere in Eastern Europe. After the invasion of the USSR (June 1941), millions more came under Nazi control. The numbers dwarfed the German Jewish population.
3. The cover of war.
War provided cover for mass murder. International protest mattered less; civil unrest within Germany was suppressed; the regime could act with fewer constraints. Hitler had publicly threatened in his Reichstag speech of 30 January 1939 that another world war would mean 'the destruction of the Jewish race in Europe'.
Stages of mass murder.
1. Ghettos (1939-41).
Polish Jews were forced into ghettos in Warsaw, Łódź, Krakow and elsewhere. Conditions were appalling: overcrowding, starvation, disease. Hundreds of thousands died in the ghettos themselves.
2. Einsatzgruppen mass shootings (June 1941-).
With the invasion of the USSR (Operation Barbarossa, 22 June 1941), four Einsatzgruppen (Special Operations Groups) of SS, police and local collaborators systematically murdered Jews in occupied Soviet territory:
- About 1.5 million Jews killed by shooting between June 1941 and the end of 1942.
- The largest single massacre: Babi Yar near Kiev (29-30 September 1941) — 33,771 Jews murdered in two days.
3. The Wannsee Conference (20 January 1942).
At Wannsee, a Berlin lakeside villa, 15 senior Nazi officials chaired by Reinhard Heydrich met to coordinate the 'Final Solution' — the systematic extermination of European Jewry. The conference did not decide on mass murder (decisions had already been taken) but coordinated agencies and methodology.
4. The death camps (1942-44).
The decisive Nazi innovation was the death camp — a facility devoted entirely to mass murder. Six camps were built or expanded for this purpose:
- Auschwitz-Birkenau (Poland): the largest; about 1.1 million murdered, around 90% of them Jewish.
- Treblinka: about 870,000 murdered, mostly Polish Jews.
- Sobibór: about 250,000 murdered.
- Belzec: about 600,000 murdered.
- Chelmno: about 320,000 murdered; first to use gas vans (December 1941).
- Majdanek: about 80,000 murdered (mainly a labour camp with extermination function).
The death camps used:
- Gas chambers (Zyklon B at Auschwitz; carbon monoxide elsewhere).
- Crematoria for mass disposal of bodies.
- Deception to keep victims compliant until the gas-chamber doors closed.
- Slave labour for those temporarily spared.
The scale of the Holocaust.
By 1945 the Holocaust had killed approximately 6 million Jews — about two-thirds of European Jewry — plus:
- Around 5 million non-Jewish victims of the Nazi murder system: Soviet POWs, Roma, Polish elites, disabled people, homosexuals, Jehovah's Witnesses, communists, others.
- The largest genocide in modern history.
The connection to pre-war policy.
The pre-war persecution and the Holocaust are connected — but the connection is debated.
The continuity view (sometimes called 'intentionalist'): the Holocaust was the inevitable outcome of Nazi racial ideology. Hitler had threatened it (Mein Kampf, 1939 Reichstag speech). Pre-war persecution was a graduated path to extermination — discrimination, then codification, then violence, then murder.
The radicalisation view (sometimes called 'functionalist'): the Holocaust was not inevitable but emerged from the radicalising dynamics of the wartime regime. The end of emigration, the conquest of Poland and the USSR, and competitive radicalisation among Nazi agencies produced extermination as a 'solution' to a problem the regime had created.
Most historians now accept a synthesis: pre-war persecution laid the foundations (target population, racial categories, dehumanisation, camp system, killing personnel), but extermination itself emerged from wartime conditions and decisions. Without pre-war persecution there is no Holocaust; but without war there might not have been mass extermination either.
The role of ordinary Germans.
The Holocaust required mass collaboration:
- Civil servants drew up deportation lists.
- Railway workers ran the trains to the death camps.
- Local police rounded up Jews.
- Bank officials confiscated Jewish wealth.
- Doctors participated in T4 and at Auschwitz.
- Soldiers and SS carried out shootings.
- Industrialists used slave labour from camps.
- Ordinary Germans denounced Jews in hiding.
The Holocaust was made possible by the Nazi regime but carried out by a vast cross-section of German (and European collaborator) society. This is its most disturbing legacy: a modern industrial society organising itself to murder millions of its own citizens and others.
The verdict.
Nazi racial policy moved from speeches in 1925 to laws in 1935 to violence in 1938 to extermination in 1942-45. Each step seemed limited at the time; each made the next thinkable. The pre-war persecution — boycotts, civil-service exclusion, Nuremberg Laws, Aryanisation, Kristallnacht, T4 — was the necessary prelude to the Holocaust. The Holocaust was the catastrophic fulfilment of Nazi racial ideology — and the most evil event of the twentieth century. It was made by ideology, made possible by the police state, justified by propaganda, and carried out by mass complicity. Hitler's Mein Kampf vision had become Auschwitz.