Franklin D. Roosevelt belonged to the Democratic Party during his presidency. He served as the 32nd President of the United States from 1933 until his death in 1945. Roosevelt is renowned for his leadership during the Great Depression and World War II, implementing key initiatives such as the New Deal to promote economic recovery. His administration marked a significant shift in government involvement in the economy and social welfare, fundamentally altering American politics. Roosevelt's effective communication through fireside chats helped garner public support for his policies and strengthen party loyalty during turbulent times.