WORLD HISTORY

Detailed explanation-1: -To help discourage Soviet communist expansion, the United States built more atomic weaponry. But in 1949, the Soviets tested their own atomic bomb, and the Cold War nuclear arms race was on.

Detailed explanation-2: -Initially, only the United States possessed atomic weapons, but in 1949 the Soviet Union exploded an atomic bomb and the arms race began. Both countries continued building more and bigger bombs. In 1952, the United States tested a new and more powerful weapon: the hydrogen bomb.

Detailed explanation-3: -The US government’s decision to develop a hydrogen bomb, first tested in 1952, committed the United States to an ever-escalating arms race with the Soviet Union. The arms race led many Americans to fear that nuclear war could happen at any time, and the US government urged citizens to prepare to survive an atomic bomb.

Detailed explanation-4: -How does the concept of competition relate to the arms race between the United States and the Soviet Union during the Cold War? The two nations wanted to best one another in the development and stockpiling of nuclear weapons, which drove the competition between them.