The Cuban Missile Crisis in the Autumn of 1962 , in which the United States blockaded a Soviet attempt to put nuclear missiles on Cuba , created widespread public anxiety about imminent nuclear war .
CND organised demonstrations on the issue .
The Cuban Missile Crisis in the Autumn of 1962 , in which the United States blockaded a Soviet attempt to put nuclear missiles on Cuba , created widespread public anxiety about imminent nuclear war and CND organised demonstrations on the issue .