In the pre-Columbian era. When the Europeans arrived at the state of Texas during that time, they were at the pinnacle and paramount of their growing cultures and was mainly known for their rich in artifacts, relics and social beliefs and norms. These three main native and ethnic cultures factored the causation for European explorers, especially in the field of archeology to be the fit and desired destination which are: the Pueblo, the Mound Builders of the Mississippi culture, and the civilization of Mesoamerica.