What is the connection between pre Columbia. Societies and the valley Mexico

Pre-Columbian civilizations, the aboriginal American Indian cultures that evolved ... human society and culture, ranking with the early civilizations of Egypt, Mesopotamia, and China. ... Teotihuacán, in the Valley of Mexico, was an urban centre of some 150,000 people,

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.

answer; john locke;