Why did the arms race develop and how did it affect
international relations?

the arms race affected the international relationship between America and Russia

Explanation:because Russia put bombs right in Panama so when the fire right into America and then had a very big radius which could completely explode America so then America put bombs is facing towards Russia and then that's when they started building more impressive more destructive more horrible bombs that could complely destroy the world

yes i can of course like what is it gonna be about