The United States of America and the Western European countries were concerned about the Soviet Union because of the factor of communism. Both the United States and the Western Europeans were afraid that with the increasing influence of the Soviets, communism would get a strong foothold in those countries.
The correct answer here is the last option. This best describes the idea, belief and the philosophy of the Social Contract. The Social Contract is a philosophy that states that the purpose of the government is to ensure and protect the rights of its citizens. It exist to serve the people and it is created of the people. Therefore it derives its power from the consent given by the people themselves.
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.