You left out the Berlin Wall which the Russians would have never attempted under either Eisenhower or Nixon who would have told the US Army to do their usual patrols into East Berlin the minute they started stringing the barbed wire. Kennedy blinked and the East Germans found themselves in a cage for the next 30 years.
Well, I could hardly cover the entire past half century in a single post - that's why Ann Coulter writes books.
LOL