Respuesta :

milot
13th amendment. Or emancipation proclamation was another one but it failed. 13th amendment worked

Answer:

i agree with the answer above me, the thirteenth amendment

Step-by-Step Explanation:

Passed by Congress on January 31, 1865, and ratified on December 6, 1865, the 13th amendment abolished slavery in the United States and provides that "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