1
Who helped rebuild Japan after World War 2

General Douglas A. MacArthur

Explanation:

After the defeat of Japan in World War II, the United States led the Allies in the occupation and rehabilitation of the Japanese state. Between 1945 and 1952, the U.S. occupying forces, led by General Douglas A. MacArthur, enacted widespread military, political, economic, and social reforms.

the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs