Causes of the defeat of the Aztec

- Alliances with other tribes helped the Spanish,Malintiz, an Indian woman helped Cortes. She helped him work with others who did not like paying tribute.

- Better weapons, guns, also helped (guns were acquired through trade with Europe, from China)
-Spanish also brought horses, The Aztec had never seen horses.
-Geography was also hurtful, The Spanish clocked causeways this cut off drinking water. Thousands starved.
-Finally, the spanish brought smallpox, the Aztec and Spanish could not fight the disease.