Changing attitudes towards immigration in the 1920s

As many as 400,000 people per year emigrated to the USA, amounting to 35 million between 1850 and 1914. In these years, 1% of the annual increase of the US population was due to immigration alone. Between 1900 and 1920 more than 14 million immigrants landed in America so increasing the population to more than 106 million. ................
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