Answer:
Cortés committed treason by renouncing his allegiance to Governor Velázquez. He wanted the fame of conquering the Mexica empire for himself. The lord of Tlaxcala ordered 5,000 Tlaxcalteca warriors to join the Spanish army. Cortés now had a huge army and was in a position to march toward the heart of the Mexica empire. However, even with all those troops against the Mexica Empire, the Mexica warriors were able to win because of Cuauhtémoc.
Step-by-step explanation: