The United States and the Soviet Union. And the United kingdom.
United States Department of War ended in 1949.
United States Secretary of War ended in 1947.
September 2, 1945.
Yes.
economic growth and a baby boom.
United States and the Soviet Union.
the answer is japan
The United States wasn't at war with Japan in WW1.
It was liberated in part by the United States and in part by Russia.
The United States involvement lasted from 1917-1919.
Dropping two atomic bombs