ocr: in Maya population centers and those in central Mexico. It has been estimated that Tikal supported a population of about 10,000. The density of Teotihuacan's central area is strikingly different from that of Tikal's. Not only was Teotihuacan's population at least five times larger than Tikal's, but also it was far less dispersed. In such a crowded urban center, problems of integration, cohesion and social control must have been ofa totally different order of magnitude than those ofa less populous and less compact ceremonial center such as Tikal. What were the circumstances of Teoti- huacan's d ...