The United States president preserves, protects, and defends the U.S. Constitution. Each president's term influences events in America and around the world for years to come. This biography introduces young readers to the life of Franklin Delano Roosevelt, beginning with his childhood in Hyde Park, New York. Information about Roosevelt's education at Harvard University and Columbia University Law School, as well as his early career as a lawyer is discussed. In addition, his family, personal life, and experience with polio is highlighted. Easy-to-read text details his political career as a New York state senator, assistant secretary of the navy under President Woodrow Wilson during World War I, as a candidate for vice president, and as governor of New York, during which he started the Temporary Relief Administration. Finally, students will explore key events from Democratic president Roosevelt's administration, including the Great Depression, the Hundred Days, the New Deal, the Agricultural Adjustment Administration, the Civilian Conservation Corps, the Tennessee Valley, Authority, the Works Progress Administration, the Social Security Act, the Wagner Act, World War II, the Lend-Lease Act, Pearl Harbor, the Yalta Conference with Winston Churchill and Joseph Stalin, and his death during his unprecedented fourth term as president. Beautiful graphics showcase the primary source documents and photographs. A timeline, fast facts, and sidebars help put essential information at students' fingertips. In addition, a quick-reference chart provides easy access to facts about every U.S. president. Checkerboard Library is an imprint of ABDO Publishing Company.