Why might it be important to briefly consider the peoples’ history of the Valley of Mexico, Central America, and South America before discussing the first peoples of the modern-day United States based on the textbook chapter?
In other words, how might the history of the Olmec, Maya, Aztec, and Inca encourage us to think differently about the popular narrative/mainstream history of the US?

It is vital to consider the history of the people because it represents the foundation for which the society of the American Indian was developed. In addition, a majority of the indigenous people conducted business with and moved to the Americas. This makes them important in the history of America. The history of these people encourages us to think differently about the common history of the US because the people also contributed to the growth and development of the country.  

Explanation:

It is vital to consider the history of the people because it represents the foundation for which the society of the American Indian was developed. In addition, a majority of the indigenous people conducted business with and moved to the Americas. This makes them important in the history of America. The history of these people encourages us to think differently about the common history of the US because the people also contributed to the growth and development of the country.  

reread your text and you will find the answer. stay focused ignore all your distractions.

explanation:

these civilizations were located around fertile rivers, where they could produce an abundance of crops