Final answer:
The Aztec emperor at the time of the Spanish conquest was Moctezuma II.
Step-by-step explanation:
The Aztec emperor at the time of the Spanish conquest was Moctezuma.
Moctezuma II, also known as Moctezuma Xocoyotzin, was the ninth emperor of the Aztec Empire. He ruled from 1502 until his death in 1520.
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