The point of the cold war was to see what nation could prove to have better technology.
Answer- the arms race was so important because it helped fuel the cold war the cold war was based off the arms race because nations were simultaneously producing technology better than eachother or trying to prove to eachother that if another country could do it so could they. The cold war was a fight between the U.S and the soviet union proving eachothers nuclear power trying to threaten eachother. Both nations were stockpiling weapons, and spending billions to show their technological advancement in nuclear weapons.
You can move things around to make it more simple or straightforward but thats about it
Japan adopted Buddhism and central government from China.
