Final answer:
The alliance with native tribes, smallpox epidemic, and alliances with indigenous groups were crucial in Cortés's first victory against the Aztecs.
Explanation:
The native tribe allied with the Spaniards played a significant role in Hernán Cortés's first victory against the Aztecs by providing crucial support during the conflict.
Another key factor was that the Aztecs were weakened by a smallpox epidemic, which devastated their population and military strength.
Moreover, Cortés's alliances with indigenous groups who were enemies of the Aztecs contributed greatly to the Spanish victory by bolstering their forces against the Aztecs.
Learn more about Hernán Cortés's victory against the Aztecs here:
https://brainly.com/question/47001790
