Who was President during the Great Depression and World War II?

Franklin D. Roosevelt was the President during the Great Depression and World War II, serving an unprecedented four terms from 1933 to 1945. He implemented a series of programs known as the New Deal that aimed to provide relief and recovery from the economic turmoil of the Great Depression. Roosevelt's leadership was also pivotal during World War II, as he played a key role in mobilizing the United States for war and forming alliances with other nations. His decisions and policies significantly impacted both the economy at home and the global theater of the war, making him one of the most influential presidents in American history during this turbulent period.