Named for Revolutionary War general and South Carolina native Thomas Sumter, Fort Sumter was one of nearly 50 forts built as part of the so-called Third System, a coastal defense program implemented by Congress in 1817.
In simple terms, the U.S. Armed Forces are made up of the five armed service branches: Air Force, Army, Coast Guard, Marine Corps, and Navy.
Branches of Government. Learn about the executive, legislative, and judicial branches of the U.S. government. About the Organization of the U.S. Government. The U.S. federal government is divided into three branches: the executive, the judicial, and the legislative. Executive Branch. The executive branch carries out and enforces laws. It includes the President, executive departments, independent agencies, and other boards, commissions, and committees. Judicial Branch