It is not certain that a country will not become a multi-ethnic country. Archaeological data show that a complete African-American remains have been unearthed in Qin Shihuang's labor tomb. This discovery was also quoted in the movie "Mo Attack". There are also white people in China and Xinjiang. Parts of northeast China. Why are China's multi-ethnic groups different from NATO countries such as the United States and Britain? First, China has never bought or sold African slaves. 2. Geographical location determines that it is impossible for people of other races to migrate to the interior of China on a large scale. 3. China's thoughts of Han nationality and China's thoughts of state are extremely serious and exclusive, which can be seen from the Boxer Movement.