The War did not occur directly on U.S. soil and the Americans played a relatively small role in the war, serving more as support for other nation's battles.
Answer:
As part of the war effort, the U.S. government also attempted to guide economic activity via centralized price and production controls administered by the War Industries Board, the Food Administration, and the Fuel Administration.
Explanation:
I believe it was the Chinese, because at that time southeastern China had a poor economy.