How did the Soviet Union’s system of government help to create conflict with the United States after World War II? The Soviet system of government did not allow its people to choose their own leaders, which the United States thought was wrong. The Soviet system of government did not allow the USSR to join the United Nations, which the United States thought was wrong. The Soviet system of government encouraged people to immigrate to the United States, which the United States thought was wrong. The Soviet system of government gave the people in Eastern Europe a huge amount of freedom, which the United States thought was wrong.