The answer is A, the Aztecs.
A. Aztec, since the Aztec's capital was Tenochtitlan.
The correct answer is A. Aztec, as Tenochtitlán, their capital city, had a population larger than most European cities during its peak. Founded around 1325 CE, it became a major center of trade and culture in the Americas. Tenochtitlán's impressive size and development reflected the ingenuity of the Aztec civilization.
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