Job Recruitment Website - Ranking of immigration countries - Outer Mongolia was once a part of China. Why is it now an independent Mongolia?

Outer Mongolia was once a part of China. Why is it now an independent Mongolia?

Direct cause: the Soviet Union forced Mongolia to become independent. Historical facts:1913165438+1On October 5th, the Russian authorities forced Yuan Shikai's Beiyang government to sign the Sino-Russian Statement. Although the statement also recognizes that Outer Mongolia is a part of China, it demands that Outer Mongolia cancel its independence. However, it is stipulated that China shall not station officials, troops or immigrants in outer Mongolia; Forcing China to recognize the "autonomy" of outer Mongolia is actually controlled by Russia.