Final answer:
Franklin D. Roosevelt himself was the president who contributed to most of his own policies, known as the New Deal. These policies aimed to address the effects of the Great Depression and spur economic recovery. Roosevelt's foreign policy during World War II also shaped the nation's role on the global stage.
Step-by-step explanation:
The president who contributed to most of Roosevelt's policies was Franklin D. Roosevelt himself. As the 32nd President of the United States, he implemented a wide range of policies collectively known as the New Deal. These policies aimed to address the effects of the Great Depression and spur economic recovery.
Roosevelt's policies included the creation of numerous agencies and programs such as the Civilian Conservation Corps (CCC), the Works Progress Administration (WPA), and the Social Security Act. These initiatives provided jobs, infrastructure development, and a safety net for the most vulnerable citizens.
Additionally, Roosevelt's foreign policy during World War II was instrumental in shaping the nation's role on the global stage. His leadership and decision-making contributed to the allied victory and the establishment of the United Nations.
Learn more about Franklin D. Roosevelt's policies