The arms race meant that once the United States built hydrogen bombs,

A: the Soviet Union built them too.
B: world peace had been assured.
C; no other country wanted to build them.
D: a new world war was about to start.

Respuesta :

A. the US made a hydrogen bomb so Russia made one to compete and the US made a bigger bomb and Russia made a bigger bomb and so on. This is the cold war and almost caused a nuclear war.

Answer:

A: The Soviet Union built them too.

Explanation: