Question

how is the modern department of defense different from the old department of war? it is a cabinet department and not an independent executive agency. it was not created by any act of congress, unlike the department of war. it contains sub - departments for the air force, army, and navy. it is no longer concerned with defending the nation through military force.

Explanation:

The modern Department of Defense was created to unify the military branches (Air Force, Army, Navy etc.) under one department for better coordination and management. The old Department of War did not have this unified structure. The Department of Defense is a cabinet - level department created by an act of Congress and is still responsible for national defense through military force.

Answer:

It contains sub - departments for the Air Force, Army, and Navy.