During the 1920s and 1930s, China was divided by civil war and occupied with the anti-Japanese war, but never renounced its claim to sovereignty over Tibet, and made occasional attempts to assert it.
1920年代から1930年代にかけて、中国は内戦と日中戦争で割れていたが、チベットへの主権を手放しすことはせず、時々それを断言する試みを行った。