The geography of which region led to the pre-columbian construction of dams, canals, and pueblos

Major Pre-Columbian Indian Cultures in the United States. They are associated primarily with the Great Plains area. Major canals were over 30 miles long. Highland farmers but also hunters in what is now eastern Arizona and southwestern New Mexico. Their descendants are the Hopi and other Pueblo Indians. I hope that this is the answer that you were looking for and it has helped you.

The answer is c) people evacuated but almost all returned