The right answer for the question that is being asked and shown above is that: "C. The successes of the U.S. nuclear program." Pres. Truman believe that political change would come to the Soviet Union because the <span>successes of the U.S. nuclear program</span>
The war giving Cuba independence from Spain was the "Spanish American War", since this was the war in which the US engaged with Spain in part because of their ill treatment towards the Cuban natives.
George Wallace was the governor of Alabama in the 60s and 70s during the Civil Rights movement who greatly favored segregation of blacks and whites in public school. Bull Connor was the Commissioner of Public Safety for Alabama.
It imposed harsh reparations payments on Germany, which led to economic and political instability. As a result of the Versailles Treaty, Germany lost its overseas colonies in Africa.