In the U.S. government three branches: the executive, the legislative and the judicial branches. The executive branch is headed by the President, consists of eleven departments and many independent agencies. The President performs many functions. He is the head of the government and chief of state. The President can negotiate foreign treaties, appoint government officials, command the armed forces. He makes foreign policy. He may introduce legislative bill to Congress. The legislative branch refers to Congress. Only Congress has the right to make laws. It is the supreme legislative body of the nation. It is made of two houses—the senate and the House of the Representatives. The judicial branch refers to the Supreme Court and some inferior courts. The Supreme Court is the highest court of the whole land and has the sole right to interpret the Constitution and review laws to see whether they are in agreement with the Constitution. The Supreme Court is headed by a Chief Justice and eight other justices.