 The PRC joined the Qamdo area into the Tibet area (later the Tibet Autonomous Region).Nationalist China was forced to acknowledge the independence of Mongolia (former Outer Mongolia) and Tannu Uriankhai (now part of Russia as The Tyva Republic), in 1945.China proper is often associated with the Han Chinese, the majority ethnic group of China and with the extent of the Chinese languages, an important unifying element of the Han Chinese ethnicity.