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Declaration of Independence
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U.S. Mexico War
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14th Amendment of US Constitiution
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Chinese Excusion Act
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Naturalization Act of 1906
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Arizona becoming a State of the United States
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Immigration Act of 1924
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Wall Street Crash of 1929
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Magnuson Act
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Immigration and Nationality Act or 1965
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Immigration Reform and Control Act
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Immigration Act of 1990
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Secure Fence Act of 2006
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Arizona SB 1070
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The Gang of 8