1 sept 1939 año - World War II (1939-1945)

Descripción:

Began when Germany invaded Poland
Partially caused by the Treaty of Versailles and WWI (Germany wasn't happy with the outcome)
Debates over isolationism vs interventionism in the US
Remained out of the fighting but provided weapons and supplies to Britain
After the US enters the war there is a big push for rationing in the nation
Allies were strong because most of the fighting was in Europe and Asia, allowing the US to focus on mass production of supplies
60 million died
Cost $341 billion total