Which of the following best describes an important difference between the Maya and Teotihuacán civilizations?
A. Teotihuacán's economy was based on its elaborate agricultural system, but the Maya relied on trade to obtain food from their allies.
B. The Maya civilization practiced a polytheistic religion, while Teotihuacán's civilization worshipped only one god.
C. The Teotihuacán people were seminomadic hunter-gatherers, while Maya society involved a complex social structure within cities.
D. The Maya civilization consisted of a number of independent city-states, while Teotihuacán's civilization existed in a single major city.