This event forced the United States and the Soviet Union to reconsider the dire effects of a true nuclear war.  Neither country truly wanted to perish.  

November 22, 1963 by Lee Harvey Oswald

Krushchev wanted to stop the people from East Germany to go to west germany where it was not communist. This was his revenge for kennedy saying no. 

The American people were heart broken when kennedy was assassinated, but many were not sure oswald did it. alone.