Evidence of las casas was in the third paragraph is that native american societies had developed large urban areas.
The Native American society serves as the society with good Social structure and these tribes are Algonquin, Iroquois, Huron and Wampanoag.
Therefore, according to the claims of las casas was in the third paragraph, Native American society is well developed and organized.
Learn more about Native Americans at ;
https://brainly.com/question/6501916