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  Established basic rights for American citizens.
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  Grants citizenship by naturalization to free white persons of good character. Excluding African Americans, Asians, Native Americans and many more.
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  The United States of America and the Mexican Republic, is the peace treaty that was signed on 2 February 1848, in the Villa de Guadalupe Hidalgo between the United States and Mexico that ended the Mexican–American War. The treaty was ratified by the United States on 10 March and by Mexico on 19 May. The ratifications were exchanged on 30 May, and the treaty was proclaimed on 4 July 1848
 https://en.wikipedia.org/wiki/Treaty_of_Guadalupe_Hidalgo
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  Grants citizenship to all persons born or naturalized in the United States. Excluding African Americans, and Asians.
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  Extends naturalization rights to African Americans, still, Asians are not included.
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  The first law to ever formally deny a specific race American citizenship via immigration. This would not be undone until 1943.
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  Supreme Court ruling that all children born in the United States are citizens. Regardless of their parent's citizenship or race.
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  Grants citizenship to residents of Puerto Rico
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  Expands American citizenship to all Native Americans.
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  Requires all non-citizens to register through the government. Allows the president to deport individuals suspected of being a security threat.
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  Eliminates race as a deciding factor for immigration
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  Grants amnesty to all persons who entered the country before 01/01/1982