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Emigration to North America slowed between
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During the first 150 years after the beginnings of permanent European settlement Europeans moved westward only as far as the eastern flanks of the Appalachian Mountains
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census indicated that 20 percent of the American population was of African origin
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Whereas less than 10 percent of the population could even loosely be defined as urban
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At the time of the first national census , more than two-thirds of the white population was of British origin
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immigration tended to increase with each passing decade.
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well over four-fifths of all immigrants were from these areas of Europe, especially Italy, Austria-Hungary, and Russia.
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cut immigration to a fraction of its annual high
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he United States passed its first major legislation to restrict immigration
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This limitation, coupled with the Great Depression
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the number of arrivals of immigrants have increased
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Far more liberal immigration laws were passed
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the farm population fell from more than 15 million to under 6 million.
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Mexico, the Philippines, and the West Indies provided the greatest number of migrants to the United States
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United States had a population approaching 250 million, with a density of roughly 235 people per square kilometer. Three principal zones of population can be identified.
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over three-quarters was urbanized