Most influential U.S. President of the twentieth century

Which U.S. President of the twentieth century, do you feel was the most influential? (not necessarily which one you like the most). In your answer please include three specific reasons that you think he was the most influential (i.e. laws, policies, foreign or domestic accomplishments) [15 points]. In addition, name and identify at least two of this president’s most important advisors or supporters, and explain why they were important