What force helped the Spanish to run the Aztecs out of?

The Spanish were able to conquer the Aztecs primarily due to a combination of military technology, strategic alliances, and the devastating impact of disease. Superior weaponry, such as guns and cannons, gave the Spanish a significant advantage in battles. Additionally, they formed alliances with various indigenous groups who were unhappy with Aztec rule, which helped bolster their forces. Moreover, diseases like smallpox decimated the Aztec population, weakening their society and military resistance.