What is the purpose of the Fourteenth Amendment?

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The 14th Amendment to the U. S. Constitution, ratified in 1868, granted citizenship to all persons born or naturalized in the United States-including former slaves-and guaranteed all citizens "equal protection of the laws."The 14th Amendment to the U. S. Constitution was one of the three Reconstruction Amendments which, along with the 13th and 15th, was primarily intended to establish equal civil rights for former slaves. It was passed by Congress on June 13, 1866, and ratified by the states as of July 9, 1868.