Treaty of Versailles: The peace treaty signed in 1919 at the end of World War I that placed blame on Germany for the war and imposed harsh reparations. It contributed to tensions and resentment during the inter-war period.
Great Depression: A severe worldwide economic downturn that began with the stock market crash in 1929. It had lasting effects on global economies throughout much of the inter-war period.
League of Nations: An international organization founded after World War I with the goal of promoting peace and preventing future wars. However, it failed to effectively address conflicts during this turbulent period.