The United States and the USSR were the lone remaining superpowers left after World War II.
As a result, they viewed proxy wars much like a chess player viewed moving a pawn. If they could get a strategic advantage in Algeria or El Salvador or Cuba, they would take it and lord it over the losing superpower.
In ancient Rome, the wealthy noble citizens were known as the Patricians, while the lower class citizens were call the plebians. The plebians had far less social impact than the Patricians.
Lower class servants, both black and white, joined together in the frontier rebellion against the Native American tribes. As a result of witnessing this, the higher (and ruling) class became alarmed, which ultimately increased opposition across racial lines.
So basically to explore places like you want to travel and stuff you need money for the flight or whatever.
All American people
It greatly impacted those who took out bonds and loans to invest in the stock market, not only that but thousands were left unemployed and without homes