These regions came under the control of China after attempts by the Government of Tibet to gain international recognition, efforts to modernize its military, negotiations between the Government of Tibet and the PRC, a military conflict in the Qamdo area of Western Kham in October 1950, and the eventual acceptance of the Seventeen Point Agreement by the Government of Tibet under Chinese pressure in October 1951.
Det var processen, hvorved Folkerepublikken Kina fik kontrol over Tibet, efter forsøg på at få international anerkendelse, forsøg på at modernisere sit militære, forhandlinger mellem Tibet og Kina, en militær konflikt i Qamdo-området i det vestlige Kham i oktober 1950, og den endelige accept af syttenpunktsoverenskomsten af Tibets regering under kinesisk pres i oktober 1951.