verproduction, over-speculation, and isolationist policies caused the greatest economic depression in United States history. Beginning with the stock market crash, America awoke from the prosperous twenties and faced a bleak decade of hopelessness and poverty. The Depression resulted in the emergence of Franklin D. Roosevelt, a leader who would bring America a New Deal and lead her through World War II. The 1930s was a time of despair, yet the decade brought forth a stronger, more committed United States of America.