WORLD HISTORY

Detailed explanation-1: -During the Cold War the United States and the Soviet Union became engaged in a nuclear arms race . They both spent billions and billions of dollars trying to build up huge stockpiles of nuclear weapons.

Detailed explanation-2: -The Cold War between the United States and the Soviet Union is perhaps the largest and most expensive arms race in history; however, others have occurred, often with dire consequences.

Detailed explanation-3: -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-4: -Nuclear weapon test, 1956The destruction of the Japanese cities of Hiroshima and Nagasaki by American atomic weapons in August 1945 began an arms race between the United States and the Soviet Union. This lasted until the signing of the Conventional Forces in Europe treaty of November 1990.

Detailed explanation-5: -Arms Race During Cold War During the second half of the 20th century, the two superpowers competed for superiority in the development and accumulation of nuclear weapons. Four years after the U.S. successfully dropped its first bomb, the Soviets developed theirs.