Franklin D. Roosevelt (FDR) was the 32nd President of the United States, serving from 1933 to 1945. His core policies, collectively known as the New Deal, addressed the Great Depression's economic challenges through a series of federal programs aimed at recovery, reform, and relief. Key initiatives included the establishment of Social Security, public works projects, and financial reforms to stabilize the economy. FDR's leadership during World War II, which emphasized support for the Allies and mobilization of resources, further solidified his legacy as a transformative figure in American history.