Killed by a Cold
![](https://www.obsev.com/wp-content/uploads/sites/2/2019/09/Aztec-Legendary-People-25-1024x768.jpg)
Ultimately, it was disease which wiped out the Aztecs. The Spanish brought with them many germs European germs that Native Americans had no immunity against, which wiped out the vast majority of the population in a very short amount of time.