What was the outcome of conflicts such as the one illustrated below?

A. The Aztecs were defeated because they were weakened by disease and overcome by more powerful Spanish weaponry.
B. The Spanish were defeated because they were not able to convince other native tribes to fight against the Aztecs.
C. The Spanish were eventually victorious because they were able to lure the Aztecs into unfamiliar territory.
D. The Aztecs were eventually victorious because they vastly outnumbered the Spanish army.