The intensive occupation of Chaco Canyon came to an end in A.D. 1130 as the result of a(n) __________.
A) devastating drought
B) catastrophic flood
C) attack from the south
D) plague

Question

Quizplus · Accepted Answer

The best choice is A because research suggests that a severe drought lasting for several decades was the primary cause of the sudden collapse of the Chacoan society. This drought would have made it difficult to sustain the large population and agriculture in the region.

The Intensive Occupation of Chaco Canyon Came to an End