The longest serving president in the US, Franklin D. Roosevelt the 32nd US president had a unique opportunity to serve for more than two terms. Besides this being a time of the US economic crisis his 12-year reign of 1933 to 1945 was a crucial period of the world history with the World War 2. Roosevelt had a positive character of an optimism and national spirit. In his time, the unemployment rate dropped to 20% as millions of young men and women got employed in the military service and war zones.