Answer:
The major causes of World War II were numerous. They include the impact of the Treaty of Versailles following WWI, the worldwide economic depression, failure of appeasement, the rise of militarism in Germany and Japan, and the failure of the League of Nations.
Step-by-step explanation:
Fascism, Appeasement, Treaty of Versailles, The Great Depression, Imperialism. Treaty of Versailles, the failure of peace efforts, and the rise of dictatorships.