Initially, President Roosevelt declared neutrality while Prime Minister Churchill watched without action as WWII began in Europe. After France fell, Roosevelt and Churchill formed an alliance to save Britain. Political maneuvering complicated the joint war effort. WWII ended the Great Depression globally and established the US as the world's police. It devastated Western Europe's empires, started the Cold War, and made Japan a superpower, though racial prejudice against Japanese Americans resulted from Japan's attack on Pearl Harbor out of hatred for the US.

1. America Compared WWII By: Kyle Pollitt