The 13th Amendment to the Constitution prohibits slavery in the United States
The Thirteenth Amendment states:
Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction. Congress shall have power to enforce this article by appropriate legislation.
Congress shall have power to enforce this article by appropriate legislation.
Secretary of State William Seward proclaimed the states’ ratification of the Thirteenth Amendment on December 18, 1865.