How did the American and Soviet governments carry out their arms race without firing a shot?

It was mostly a flexing contest between the two countries. Russia would make a weapon, them America would make a BIGGER weapon, so russia would make an even BIGGER weapon and so forth.

Explanation:

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.