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众所周知,仅两百多年历史的美利坚合众国实际上是一个由移民构成的国家,源自欧、亚、非洲肤色各异的几代移民都曾为美国的创建与繁荣作出过不朽的贡献。然而,历届美国政府为了兼顾本国经济发展和社会政治稳定的双重需要,在不同时期所施行的移民政策绝非雷同。纵观美国移民史,呈现人们眼前的是由建国初的鼓励无限制移民入境逐渐演变成当今
As we all know, the United States of America, which has only two centuries of history, is actually a country made up of immigrants. Several generations of immigrants from different continents in Europe, Asia and Africa have made immortal contributions to the creation and prosperity of the United States. However, in order to meet the dual needs of their own economic development and social and political stability, successive U.S. governments are not different in immigration policies implemented in different periods. Throughout the history of American immigration, it is revealed that people nowadays are inspired by the founding of the People’s Republic of China. Immigrants from immigrants have gradually evolved into today