众所周知,美国是一个移民国家。所谓的美利坚合众国,起先是由英国的16个殖民地(后有3个被兼并) 联合而成的。这些殖民地人口复杂,据1790年的统计, 在当时的白人中,英格兰人最多,占60．1％;其次是德意志人,占8．6％;苏格兰人占8．1％;爱尔兰人占3．6％; 荷兰人占3．1％;法国人占2．3％;西班牙人占0．8％;瑞 As we all know, the United States is an immigrant country. The so-called United States of America was first formed by the union of 16 British colonies (there were three mergers later). The population of these colonies was complex. According to the statistics of 1790, among the white people at the time, the English was the largest, accounting for 60.1%; followed by the Germans, accounting for 8.6%; the Scots accounted for 8.1%; the Irish accounted for 3 .6%; Dutch accounted for 3.1%; French accounted for 2.3%; Spanish accounted for 0.8%;