The document provides an overview of World War 2 and the rise of totalitarian regimes in Europe and Asia in the 1930s. It discusses how World War 1 led to the rise of dictators like Mussolini in Italy and Hitler in Germany. It then summarizes Germany's aggression in the late 1930s by remilitarizing the Rhineland, annexing Austria and Czechoslovakia. This led to the outbreak of World War 2 with Germany's invasion of Poland in 1939. The US initially remained isolationist but began preparing for war by increasing military spending and passing the Lend-Lease Act to support Britain. Japan's attack on Pearl Harbor in 1941 drew the US into the war and led to the full mobilization of American industry and armed