Canada in the Cold War in power believed that as long as the US president retained absolute control of the nuclear weapons, Canadian forces could be ordered to undertake nuclear missions for the US without Canadian consent. During the Cuban Missile Crisis, Canada was expected to fall in line with American foreign policy, in that Canada's military forces were expected to go on immediate war alert status. Diefenbaker however, refused to do so emphasizing the need for United Nations intervention. It would only be after a tense phone call between President John F. Kennedy and Diefenbaker that Canada's armed forces would begin preparations for "immediate
Cuban Missile Crisis hardliners in the US national security apparatus. The US and the USSR did shortly thereafter agree on a treaty banning atmospheric testing of nuclear weapons, known as the "Partial Nuclear Test Ban Treaty". Further after the crisis, the US and the Soviet Union created the Moscow–Washington hotline, a direct communications link between Moscow and Washington. The purpose was to have a way that the leaders of the two Cold War countries could communicate directly to solve such a crisis. The compromise embarrassed Khrushchev and the Soviet Union because the withdrawal of US missiles from Italy and Turkey was a secret