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

The correct choice is Franklin D. Roosevelt. He served as president from 1933 to 1945, leading the country through both the Great Depression and the majority of World War II. His administration implemented the New Deal, a series of programs and reforms aimed at economic recovery and relief for those suffering from the effects of the Great Depression. Additionally, Roosevelt's leadership during World War II was crucial as he was involved in major decisions regarding military strategy and international alliances. His ability to communicate directly with the American public through his fireside chats helped to unify the nation during challenging times. This context highlights his significance during both crises, solidifying Roosevelt's legacy as a key figure in American history.