A reservation is required for a tour of the U.S. Capitol. Visit the Plan a Visit page for information on how to obtain a reservation.

Breaking Barriers between Nations

Breaking Barriers between Nations

The Congress shall have Power To…regulate Commerce with foreign Nations

Article I, Section 8, Constitution of the United States

Congress plays an essential role in international relations. The Senate has the power to ratify treaties, and members of Congress were instrumental in establishing trade agreements and in providing aid to our allies and developing nations through the Marshall Plan and the North Atlantic Treaty Organization.