The American president known for the New Deal is Franklin D. Roosevelt. Implemented in response to the Great Depression during the 1930s, the New Deal was a series of programs and policies aimed at economic recovery and social reform. This ambitious initiative included measures to provide relief for the unemployed, restore the economy, and prevent future depressions through regulatory reforms. Roosevelt's leadership during this challenging period reshaped the role of the federal government in American life and left a lasting impact on social welfare policies.