Which amendment abolished slavery in the United States?

The amendment that abolished slavery in the United States is the 13th Amendment. Ratified in December 1865, this amendment officially made it illegal to practice slavery and involuntary servitude, except as punishment for a crime. Its adoption marked a pivotal moment in American history, as it helped to end centuries of institutionalized slavery that had existed in the country.

The other amendments listed do not pertain to the abolition of slavery. The 14th Amendment addresses citizenship rights and equal protection under the law, the 12th Amendment outlines the procedure for electing the President and Vice President, and the 15th Amendment focuses on voting rights, prohibiting the denial of the right to vote based on race, color, or previous condition of servitude. The 13th Amendment stands out as the transformative legal change that ended slavery in the United States.