Explain the social structure of latin america

They owned most of the land, but were treated like second class citizens and were denied political rights. ... Lowest social class, they had no rights.

Ongoing civil wars western roman empire finally collapsed476 c.e. romulus, the last of theroman  emperors in  the west, was overthrown by the germanic leader odoacer, who became the first barbarian to rule in rome. the order that the  roman empire  had brought towestern  europe for 1000 years was no more.