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takes effect, succeeding the Articles of Confederation that had governed the union of states since the conclusion of the Revolutionary War
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In order to become a naturalized US Citizen you need to have lived in the United States for two years.
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The residency requirement for citizenship is reduced to five years.
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Importation of slaves into the United States is officially banned, though it continues illegally long after the ban.
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Admission of contract laborers was banned.
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Congress first centralized control over immigration under the Secretary of State with a Commissioner. The importation of contract laborers was legalized in this legislation.
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The Naturalization Act of 1870 allows "aliens of African nativity" and "persons of African descent" to become U.S. citizens..
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Immigration law was consolidated. Polygamists and political radicals were added to the exclusion list.
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The first permanent immigration quota law established a preference quota system, non status, and consular control system. It also established the Border Patrol.
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The immigration caps outlined in the 1965 Immigration Act are replaced with an overall annual limit of 290,000.