PLEASE HELP ASAP!! What factor contributed to the tension of the arms race between the United States and the Soviet Union?

A. Each country had the capability to destroy the other with atomic weapons.

B. Each country refused to communicate with the other.

С. The two countries each declared war on the other.

D. Both countries were seeking to expand their borders and take land from the others'
allies.

A ) each country had the capability to destroy the others with atomic weapons

A

Explanation:

In 1945, the US dropped two atomic bombs on Hiroshima and Nagasaki. This revealed that the US had atomic weapons. However, thanks to Soviet espionage, the USSR managed to get them too. The idea that both countries could destroy each other at any point was the greatest creator of tension during the Cold War. Hope this helps :)

i need to see the answer to answer the question