<P> The 1980 Summer Olympics boycott was one part of a number of actions initiated by the United States to protest the Soviet invasion of Afghanistan . The Soviet Union, which hosted the 1980 Summer Olympics, and other countries would later boycott the 1984 Summer Olympics in Los Angeles . </P> <P> Western governments first considered the idea of boycotting the Moscow Olympics in response to the situation in Afghanistan at the 20 December 1979 meeting of NATO representatives, a fortnight after the invasion of Afghanistan . At that moment, not many of the member governments were interested in the proposal . The idea began to gain popularity in early January when Russian dissident Andrei Sakharov called for a boycott . On 14 January 1980, the Carter Administration joined Sakharov's appeal and set a deadline by which the Soviet Union must pull out of Afghanistan or face the consequences, including an international boycott of the games . On 26 January 1980, Canadian Prime Minister Joe Clark announced that Canada, like the US, would boycott the Olympic Games if Soviet forces did not leave Afghanistan by 20 February 1980 . </P>

Which military action led to us boycott the 1980 olympics