The answer is b, the Ancient Egyptian Empire was not a bureaucracy, but ran by a "food chain" where the pharaoh is at the top, and peasants/farmers were at the bottom.
The U.S. justified its involvement in the Vietnam War by stating that they were fighting against communism. At the time, the Soviet Union was seen as a huge threat and there was a rivalry between the two nations.
I would say the answer is three (not 100% sure tho). It's definitely not 2 or 1
