To begin, it didn't promote "peace" as much as it promoted a "cold war" which is the whole point of the name, Cold War.
Nuclear Weapons essentially forced the US and the Soviet Union into an uncomfortable draw.
They knew they couldn't fight each other directly so they fought each other in a series of devastating proxy wars around the world.
Answer:
B. A strong stance against communism
Explanation:
One issue that made possible that Ronald Reagan won the presidential election in 1980 was the perception that Carter administration was not against Communism and Soviet Union with sufficient strength and even allowed the establishment of regimes that sympathized with the Soviet Union or Cuba. For instance, Nicaragua.
