The Cuban Missile Crisis. The fear on both sides was that someone would push a button and all out war (perhaps the end of the planet as we understand it) would result. Both countries had ICBMs but America's were better. They could hit Russia. Russia had no real answer and Cuba is too small a defensive position. So Khrushchev blinked and took his threat home. It didn't take her long to catch up but by that time the political situation altered.
It demonstrated that the ideas in the U.S constitution were stronger than the ideas in of a political party. would be the right answer
By not uniting all of South America I hoped that helped ;)
Answer: becasue the Colonists who had already settled on these lands were ordered to return east of the mountains.
Explanation: