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The U.S. establishes first Native American reservation and policy of dealing with each tribe as an independent nation
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The federal government requires two years of residency for naturalization
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Congress bans importation of slaves
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500,000 immigrate to American over the next five years after the potato crop fails in Ireland
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The California Gold Rush sparks first mass immigration from China
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Poland's religious and economic conditions prompt immigration of approx. 2 million Poles by 1914
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Allows and individual, regardless of gender, ethnicity, or country of origin, over the age of 21 or head of household to claim up to 160 acres of free land if they have lived on it for 5 years
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nearly 4 million Italian immigrants arrive in the United States after Italy's troubled economy
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redefines criteria and procedures for admitting refugees
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legalizes illegal aliens residing in the U.S. unlawfully since 1982