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发表于 2005-11-14 21:51:06
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The second half of the 19 century brought major changes to the united states. From its earlier days, America had been an agriculture society, but after the end of the civil world in 1865, the country became increasingly industrial, and as a population grew, America become less unified. After the railroad linked the Atlantic coast with Pacific coast, the huge mid west of the country were open to the settlement, the people who came were almost all from the Europe, they were Sweden regions, Portugal, and Russians, or the human
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