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  Naturalization was only granted to immigrants who were free white persons. This Act left out American Indians, slaves, and blacks.
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  This was an act passed by Congress that increased the amount of time it takes for immigrants to become citizens.
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  The Great Famine in Ireland drove thousands of Irish citizens to immigrate to America.
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  The Treaty of Guadalupe Hidalgo ended the Mexican War and resulted in approximately 60,000 Mexican residents in the New Mexico Territory to gain U.S. citizenship.
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  Miners immigrated to the U.S. from China, Latin America, Europe, and Australia in search of gold.
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  This was a movement of opposition towards Irish and German Catholic immigration due to the growing fear that Catholic immigrants were overtaking the county.
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  Act signed into law by Ulyses S. Grant that created a system of controls and penalties of violating naturalization procedures.
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  U.S. Supreme Court ruled that immigration is a federal responsibility, not a state. This law was passed to ban the importation of Asian laborers.
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  A commissioner of Immigration was established in the U.S. Treasury Department.
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  Ellis Island is the national immigration checkpoint.
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  Congress passed a literacy requirement to reduce the number of low-skilled immigrants from entering the U.S.
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  Established a U.S. border patrol.
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  After the Korean War, the Internal Security Act was passed in order to ban any Communist foreigners from immigrating to the U.S.
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  Law passed that forbade employers to hire illegal immigrants.
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  This act created a physical barrier along the Mexico-United States border in order to decrease illegal entry and drug trafficking.
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  Allows Arizona police to ask anyone for their proper immigration documentation during a lawful stop or arrest.
