U.S. Department of State

United States Department of State is the United States federal executive department responsible for international relations of the United States. The Department advances U.S. objectives and interests in the world through its primary role in developing and implementing the President's foreign policy.
The U.S. Department of State leads America’s foreign policy through diplomacy, advocacy, and assistance by advancing the interests of the American people, their safety and economic prosperity.There shall be at the seat of government an executive department to be known as the "Department of State," and a Secretary of State, who shall be the head thereof.