Archeologists believe that the Ancestral Pueblo people began building their homes in cliffs to defend themselves in times of war. What evidence from the text supports this conclusion? A. Many of the cliff dwellings are accessible only by rope ladder.
B. Most of the towers were built around kivas.
C. Cliff Palace could have provided shelter for over 100 people.
D. Ancestral Pueblo people built dams, walls and other basic irrigation systems.