The Cuban Missile CrisisWere Contemporaries correct in regarding President Kennedy as the saviour of the western world after the Cuban Missile crisis?

The Cuban missile crisis was the most dangerous of the Cold War, but it still involves the two main superpower enemies; Russia and America, only this time Cuba got involved too. The Cold War happened because America was scared that Communism would spread to their democratic West. Russia being the huge superpower in the east was Communist, and after the Russian Revolution, Lenin was planned on making Communism worldwide, this petrified the west. America believed in the Domino Theory, which was that if one country became Communist, then the neighboring countries would soon follow, like dominoes falling down. A good example of this was when China became Communist, soon its neighbour Korea was Communist as well. Russia was worried about America bases in NATO countries in Europe.
There was always competition between Russia and America because they were two superpowers. There was the Arms Race, where both countries competed for newer, stronger weapons than the other. Such as when Ame...