The correct answer is The United States had a democratic system, and the Soviet Union had a single party-system.
After World War II, the United States and Soviet Union established themselves as global superpowers. However, they varied significantly in their political and economic views. The American political system was a democratic system in which there were multiple political parties and were based on citizen participation. However, the Soviet Union relied on a communist system based on the control of the government by the communist party within the Soviet Union. This battle over political ideas manifested in several different ways over the course of the three decades following World War II.
