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US Congress bans the Importation of slavery
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Potatoe famine in Ireland results in increased immigration to the US
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Offers 160 acres of free land to anyone who lives there for 5 years. Leads to a ruch of European immigrants.
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The completion of the transcontinental railroad leads to easier travel accross the US allowing for the immigrants to move further west.
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The US bans immigration from China for the next ten years.
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Any woman married to an Immigrant is forced to surrender their US citizenship
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The US Government introduces the "Green Card" system.
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Offers Amnisty to illegal immigrants; makes it illegal for one to hire an illegal immigrant.
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Makes it harder for immigrants to seek refuge in the US
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Made in response to the 9/11 attacks, requires a passport to leave and enter the US.
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Makes it a crime (for illegal immigrants) to trespass in Arizona, making it the first state immigration law.
