23. What was so unique about the dwellings of the ancient Anasazi tribe? They built long houses.
They were built on the water.
The homes were made of mud.
They were built on the side of cliffs

They were built on the side of cliffs.

Explanation:

The Anasazi built their dwellings under overhanging cliffs to protect them from the elements. Using blocks of sandstone and a mud mortar, the tribe crafted some of the world's longest standing structures.

d.he wanted to send diplomats to communist countries.