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

Franklin D. Roosevelt was the President of the United States during both the Great Depression and World War II. He assumed office in 1933, as the country was facing one of its most severe economic crises, and he implemented a series of programs and reforms known as the New Deal aimed at economic recovery. His policies helped to alleviate some of the economic hardships faced by Americans during the Great Depression.

Furthermore, FDR served as President throughout most of World War II, leading the nation through a challenging and transformative period in history. He played a critical role in shaping American military strategy and international relations during the war. Roosevelt's leadership during both the Great Depression and World War II had a lasting impact on the United States, making this response the most accurate choice among the options provided.