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.

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.

i can't beat you to a pulp if i'm not close enough.

answer; i believe the correct answer is (favorable balance);