一、从多民族国家的性质看中国是一个统一的多民族国家,从远古时代到夏商周的长期发展,我国逐渐形成了最初的相对松散的多民族国家。经春秋战国的战乱与兼并,秦始皇一统天下,建立了中央集权的统一多民族国家,并推行“车同轨,书同文,形同伦”的政策,中华民族进入了一个新的历史时期。在秦汉大一统时期,郡县制度在匈奴故地、西南夷、百越等少数民族聚居的地区推行,使得 First, judging from the nature of the multi-ethnic country, China is a unified multi-ethnic country. From the ancient times to the long-term development of the Xia, Shang and Zhou dynasties, our country gradually formed the first relatively loosely multi-ethnic country. After the war and annexation of the Spring and Autumn and Warring States Periods, the Qin Shi Huang unified the world and established a centralized and multi-ethnic country and implemented the policy of “same-car, same-language and homomorphic” and the Chinese nation entered a new history period. During the period of the Great Reunification of Qin and Han dynasties, the county-level system was implemented in areas where the ethnic minorities such as the Huns,