Answer:
1) large population centers; (2) monumental architecture and unique art styles; (3) shared communication strategies; (4) systems for administering territories; (5) a complex division of labor; and (6) the division of people into social and economic classes.
Source: Key Components of Civilization - National Geographic Society
The Austonian (Austin), Trammell Crow Center (Dallas), continental Center I (Huston)
The answer to that would be A) peaceful coexistence.
I hope this helped! I truly do!
I am absolutely sure that the statement represented above : Deep within the jungles of Mexico and Guatemala lie most of the Mayan ruine is TRUE. I think so because Mayans are actually originated in the areas which are stated in the question. So I am sure it will help you!
Cheers.