What were the reconstruction amdendments?

The Reconstruction Amendments refer to the 13th, 14th, and 15th Amendments to the United States Constitution, adopted in the aftermath of the Civil War. The 13th Amendment abolished slavery and involuntary servitude, except as punishment for crime. The 14th Amendment granted citizenship to all persons born or naturalized in the U.S. and ensured equal protection under the law. The 15th Amendment prohibited the denial of the right to vote based on race, color, or previous condition of servitude.