"1. 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.
2. Congress shall have power to enforce this article by appropriate legislation."
This amendment eradicated slavery in the United States and all associated territories.
This illustration depicts a black man asking for his freedom by defining himself as not only black, but also as a man and a brother.
The above link shows a timeline of how slavery got started and the means it took for slavery to be abolished. The timeline ranges from 1400 to 1888 and not only represents the United States, but also countries in South America and Europe.