The imaginary wall
hope this helped
The statement that best describes the political structure of the ancient Mayas is that "The Maya civilization was ruled by an emperor and had about four hundred tribute states." Paying tribute included giving gold or human sacrifice victims to a larger, more powerful empire
There were more towns to trade with, more goods, and the slave market increased GREATLY and more spread of influence, Islam influence grew TREMENDOUSLY.
I believe the correct answer is D, competition among manufacturers in the marketplace is prohibited. Capitalism encourages competition.