绪论我国是一个以汉民族为主体,由许多少数民族结合而成的多民族国家。早在原始社会时期,就存在中原地区的炎帝族、黄帝族、东方地区的夷族和南方的蛮族,后来炎黄融合,逐步形成夏商时期的华夏族。春秋战国时期,华夏族和其他各民族接触频繁,促进了边地的开垦与发展。秦朝建立了我 Introduction China is a multi-ethnic country where the Han nationality is the main body and many ethnic minorities are combined. As early as in primitive society, there were the Yandi, Huangdi, Zhongyi and barbarians in the Central Plains. Later, the Yan and Huang merged to form the Huaxia in the Xia and Shang Dynasties. In the Spring and Autumn Period and the Warring States Period, the Huaxia people contacted other ethnic groups frequently and promoted the reclamation and development of the border areas. Qin established me