The Liberation Support Movement (LSM) was a Communist and Third Worldist[1] activist organisation based in Vancouver, British Columbia, Canada, and Oakland, California, in the United States.
The group's activities supported indigenous resistance movements in former colonial countries, mainly in Africa.
[2] Upon returning to North America, Barnett accepted a teaching position at Simon Fraser University in Burnaby, British Columbia.
The LSM had members in Seattle, Washington, the San Francisco Bay Area in California, and in New York City by the early 1970s.
[2] After Barnett's death from a heart attack in 1975, LSM headquarters moved from Vancouver to Oakland.