Answer:
Let's start off with the 13th Amendment, neither slavery nor involuntary servitude, except for crime, shall exist in the United States.
The 14th amendment those born here are under the jurisdiction hereof, no state shall make laws that abridge these liberties.
African American's still faced systematic racism. Even though, on paper, they were "free". Furthermore, slaves were neglected by union soldiers and were victims of the disease. The leading cause of their fate was starvation. Remember, that they were subhuman (meaning they were not seen as a human). In many ways, it was sad, that many saw slavery as an institution and clung to the notion that evolution had to be true because they resembled their evolutionary state/characteristic.
Explanation:
This should give you something to elaborate on.