To make an amendment to the Articles of Confederation all 13 states would have to unanimously agree to the proposal to amend it.
However if even one state is opposed to abolishing slavery country wide, it cannot be done. so therefore it is extremely unlikely it could solve the problem. This was one of the articles of Confederations major flaws
They went on many protests throughout that time frame, and it caused a movement where so many people fought got the same thing so it was widely recognized throughout America and even widely recognized today.
It was the Civil rights Act of 1866 that was passed by Congress to protect the voting rights of blacks in the South, although it wasn’t very effective, because it couldn't be enforced.
