Answer:
The correct option is B. He conquered other cities to sacrifice the people in them to an Aztec god.
Step-by-step explanation:
The ruler, Moctezuma I, was an Aztec emperor who promoted the Aztec civilization in many parts of the world. The Aztec empire massively expanded during his rule. Moctezuma I brought many changes in the political world during his rule.
He conquered lands and killed people in them to be served to his Aztec Gods. Till today, the Aztec calendar has festivals in which humans are slaughtered to be served to their Gods.