Causes of World War II

Causes of World War II

  • Essential Question: What were the causes and consequences of World War II?

  • Post World War I Issues:

    • Unresolved issues from WWI led to the emergence of World War II.

    • Economic instability in postwar Europe caused civil unrest, particularly in Italy and Germany.

    • Rise of fascism in Italy tied to economic downturn, with Benito Mussolini's National Fascist Party gaining power in 1922 by promising economic renewal.

    • The Treaty of Versailles imposed harsh economic and territorial conditions on Germany, leading to resentment.

  • Adolf Hitler's Rise:

    • Adolf Hitler emerged amidst Germany's economic woes post-WWI and the establishment of the Weimar Republic.

    • Weimar Republic faced criticism for its inability to manage the Great Depression, leading many to turn to extremist parties.

    • Hitler's Mein Kampf outlined his extreme nationalist and anti-Semitic views.

    • The Nazis gained power through legal means after strong showings in elections (1932).

    • Hitler manipulated situations such as the burning of the Reichstag to consolidate power, outlawing other political parties.

  • Nazi Ideology:

    • Advocated ultranationalism and pseudoscientific racism.

    • Promoted the idea of a 'pure' Aryan nation and blamed Jews and other minorities for Germany's issues.

    • Nuremberg Laws (1935): Disenfranchised Jews, stripped them of citizenship, and enforced segregation in society.

  • Axis Powers:

    • Hitler formed the Rome-Berlin Axis with Italy (Oct 1936) and later aligned with Japan (Anti-Comintern Pact). These collaborations marked the formation of the Axis Powers.

  • Kristallnacht (Nov 1938):

    • Organized riots against Jews, leading to deaths, destruction of synagogues, and arrests of Jewish citizens.

    • Showed the extent of anti-Semitism fostered by the Nazi regime.

  • Militarism and Expansion:

    • Hitler violated the Treaty of Versailles by reviving German military power (March 1935) and remilitarizing the Rhineland (March 1936).

    • Britain and France's policy of appeasement: They failed to respond effectively to Hitler's expansionist moves, believing it would maintain peace.

  • German-Austrian Unification (Anschluss):

    • Hitler pressured Austria into political union (March 1938), violating the Treaty.

  • Czechoslovakia and the Munich Agreement:

    • Demanded Sudetenland from Czechoslovakia (Sept 1938), claiming ethnic ties to Germans.

    • British Prime Minister Neville Chamberlain advocated appeasement in the Munich Agreement which allowed German annexation of Sudetenland in exchange for a promise of no further expansion. This miscalculation emboldened Hitler.

  • Invasion of Poland:

    • Hitler's focus shifted to Danzig; after negotiations with the Soviets, the German-Soviet Nonaggression Pact (Aug 23, 1939) set the stage for an invasion of Poland (Sept 1, 1939).

    • Britain and France declared war on Germany shortly after, marking the official start of World War II.

Key Causes Summary

  • Diplomatic: Imbalance of Treaty of Versailles, Failure of appeasement, Failure of the League of Nations.

  • Economic: Global depression affecting nations' economies and politics.

  • Political: Rise of militarism in Germany and Japan, leading to aggressive expansions.

Japan’s Expansion in Asia

  • Japan invaded China and Korea, starting with the Manchurian incident (1931) and a full-scale invasion in 1937, marking the beginning of World War II in Asia.

Key Terms

  • Adolf Hitler, Neville Chamberlain

  • Weimar Republic, Sudetenland, Danzig

  • Nuremberg Laws, Lebensraum

  • Rome-Berlin Axis, Anti-Comintern Pact, Axis Powers, German-Soviet Nonaggression Pact

  • Mein Kampf, scientific racism, anti-Semitism, Aryans

  • Kristallnacht, Anschluss, Munich Agreement, Third Reich