What is the Land of Four Quarters for social studies about the aztecs people

Their government divided the Incan land into four main sections, or regions. These smaller regions had a system of rulers to govern every town and farm. At the top of the entire government was the ruler who was known as The Inca, and all the rulers from the smaller regions reported to him. Ten million people total lived in the Incan Empire. There was a time when the Incan Empire was the largest nation on earth.

um is there supposed to be choices?

a system of cooperative federalism emerged, as the powers of the federal government expanded.