Chap 2 - New Mexico's Early People Extension Menu. A History of New Mexico, 3rd edition. This extension menu is for student use after completing the chapter. The extension menu will allow the students to dig deeper into the chapter and develop a better understanding of New Mexico. This menu includes researching now-extinct big game, compare and contrasting Clovis and Folsom, researching Anasazi pueblos, archaeological sites, creating a map and several other activities.