President Franklin Delano Roosevelt's Leadership Style. The Presidency of Franklin Delano Roosevelt (1933-1945) was marked by numerous historic successes. As the leader of the Democratic Party who led his country for three terms, Roosevelt was able to pull his nation out of the Depression and lead it into war against the Nazis and the Japanese. The most important aspect of Roosevelt's career was his ability to rescue his country from the Depression with his revolutionary New Deal policy. Pages: 8 Bibliography: 6 source(s) listed Filename: 19487 Franklin Delano Roosevelt.doc Price: 71.60