The Marshall Plan and the North Atlantic Treaty Organization were very successful in their attempts to stopping communist expansion in Europe. In the Marshall Plan, the US gave $13 billion worth of aid to countries in western Europe in order to help them recover from World War II and to ensure communism does not spread to these countries. All the countries helped through the Marshall Plan remained free of Soviet rule/influence.
NATO helped in stopping the spread of communism as well. This political/military alliance between the US, France, Great Britain, Italy, and other European countries ensured that the Soviet Union did not try to spread their power by force. If they tried to attack one of the nations involved in NATO, they would be starting a war with all the countries who were part of this organization. This prevented the Soviet's from trying to take over any member of NATO.
The correct answer is C) the United States.
The nation that the director feared might use the weapon they had developed against the Soviet Union was the United States.
The quote of the Director referred in the question is the following: "When we succeed in resolving this problem, we felt relief, even happiness-for in possessing such a weapon, we had removed the possibility of its being used against the USRR with impunity."
It was said by the Director of the Testing in the Soviet Union. Laboratory
We are referring to the Cold War years that confronted the United States and the Soviet Union in many aspects such as the arms race to construct nuclear weapons or the spread of Communism by the Soviet Union or the measures by the United States to stop it.
True, it repealed the 18th amendment (prohibition on alcohol).
This statement is false.
Executive orders are subject to judicial review and may be invalidated if they don't have support by the Constitution. The main initiatives require approval by the legislative branch, but executive orders have significant influence over the internal affairs of government, deciding how and to what degree legislation will be applied, dealing with emergencies and waging wars.