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 Martin Van Buren beginning with his childhood in Kinderhook, New York. Information about Van Buren's early career as a lawyer is discussed. In addition, his family and personal life, as well as his retirement years at Lindenwald...