Don't miss this rare visit with the 39th president of the United States. Jimmy Carter's tenure as president was marked by some of the greatest challenges facing the country in the late 20th century: an energy crisis, a troubled relationship with Iran â issues that are still relevant today.ignificant foreign policy accomplishments of Carter's administration included the Panama Canal treaties, the Camp David Accords, the treaty of peace between Egypt and Israel, the SALT II treaty with the Soviet Union, and the establishment of U.S. diplomatic relations with the People's Republic of China.