What did the office of price administration (opa) do?

The Office of Price Administration was the material management department of the United States during World War II. Its main purpose was to control the price increases during the war. It was established as a sub-department of the Emergency Management Office on May 29, 1940, and became a department on January 30, 1942.

the decreasing neutrality of the u. s. in world war i

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propriety is the answer. hope this !

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