What great civilizations existed in Central and North America prior to European Exploration?

Some matured into advanced pre-Columbian Mesoamerican civilizations such as the Olmec, Teotihuacan, Maya, Zapotec, Mixtec, Huastec, Purepecha, Toltec, and Mexica/Aztecs. The Mexica civilization is also known as the Aztec Triple Alliance, since they were three smaller kingdoms loosely united together.

Explanation:

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

the puritans were a group of people who grew discontent in the church of england the common unity strengthened the community.