The political actions changed the outcome of slavery because new laws and rules came and the E<span>mancipation </span>Proclamation changed the way that slaves were treated.Lincoln did many other things to get slavery banned espesally in the south. I hope that answers your question.
Just look up the different classes of the aztecs and say something like... The slave class was when you are given no rights but the responsibility of doing the hard labor.
The Mayan or mythology also but I would go with Mayan since it is a civilization