Peninsulares were born in Europe (Spain or Portugal) and moved to a spanish colony. They could hold political offices.
Creoles were the kids of Peninsulares, but were born in the colonies. They could hold millitary positions
A Mestizo is a person with European and South American blood, they revolted against Spain because of social imbalance. The Mestizo leader was Father Miguel Hildalgo.
Mulattos are a cross between a slave and another race higher in the socail class structure
Slaves are the people that are the lowest on the structure and are shipped from Africa. Natives used to be slaves but population wasn't the best. The Haitian revolution was led by slaves. Toussaint L'Ouverture