The United States Senate is the upper chamber of the United States Congress, which along with the House of Representatives, makes up the legislative branch of the federal government. The Senate is composed of 100 senators, two from each state, who are elected to serve six-year terms. The Senate has several powers and responsibilities, including the confirmation of executive and judicial branch appointments, the ratification of treaties, and the impeachment trial of federal officials. The Senate is headquartered in the United States Capitol in Washington, D.C.