It absolutely did ~NOT~ outlaw slavery. What it says is the following: "Neither slavery nor involuntary servitude, except as a punishment for crime whereof the

It absolutely did ~NOT~ outlaw slavery. What it says is the following: "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." A free man cannot become a slave. But if you were tried and found guilty of a crime, then the 13th amendment no longer protects you. And all people of "X Attribute" are criminals; they just didn't know it yet.