Respuesta :
It was a United States cabinet that was in charge of the operation and maintenance of the United States Army. The War Department existed from 1789, till 1947, when it was split into Department of the Army and Department of the Air Force and joined the Department of the Navy as part of the new joint National Military Establishment (NME). It was renamed US Department of Defence in1949.
Answer:
The Department of War was established in 1789 to manage the US military. The department established an official army instead of relying on militias. The National Reorganization Act of 1947 changed this division of the cabinet by creating the Department of Defense. It oversees the nation's military actions. In 2002, the Department of Homeland Security was formed to focus on safety within the nation's borders.
Explanation: