Why did anasazi build their houses on sides of cliffs

The famed CLIFF DWELLINGS were built into the mountainsides with but one exit for the sake of defense. With the exception of hunting and growing food, all aspects of living could be performed within the dwelling.

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

the answer is to stop cheating on plato