<P> The Radical Republicans who advanced the Thirteenth Amendment hoped to ensure broad civil and human rights for the newly freed people--but its scope was disputed before it even went into effect . The framers of the Fourteenth Amendment wanted these principles enshrined in the Constitution to protect the new Civil Rights Act from being declared unconstitutional by the Supreme Court and also to prevent a future Congress from altering it by a mere majority vote . This section was also in response to violence against black people within the Southern States . The Joint Committee on Reconstruction found that only a Constitutional amendment could protect black people's rights and welfare within those states . </P> <P> This first section of the amendment has been the most frequently litigated part of the amendment, and this amendment in turn has been the most frequently litigated part of the Constitution . </P> <P> The Citizenship Clause overruled the Supreme Court's Dred Scott decision that black people were not citizens and could not become citizens, nor enjoy the benefits of citizenship . Some members of Congress voted for the Fourteenth Amendment in order to eliminate doubts about the constitutionality of the Civil Rights Act of 1866, or to ensure that no subsequent Congress could later repeal or alter the main provisions of that Act . The Civil Rights Act of 1866 had granted citizenship to all persons born in the United States if they were not subject to a foreign power, and this clause of the Fourteenth Amendment constitutionalized this rule . </P> <P> There are varying interpretations of the original intent of Congress and of the ratifying states, based on statements made during the congressional debate over the amendment, as well as the customs and understandings prevalent at that time . Some of the major issues that have arisen about this clause are the extent to which it included Native Americans, its coverage of non-citizens legally present in the United States when they have a child, whether the clause allows revocation of citizenship, and whether the clause applies to illegal immigrants . </P>

What amendment allows an individual to become an american citizen
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