Answer:
The Aztecs hade lots in numbers but not defense, they would fall because the Spanish had lots of guns, trained animals and, giant war ships, they would also fall because of how many enemy's they had and then that's what Hernán Cortés did to them, he turned all the Aztecs enemy's into his alliances. The Inca lost because of disease from the Spanish, then after there leader died a new leader came to power and they had fought in a battle after the battle with the Spanish and the Incas the Inca had lost but not all of them most of the Inca had fled into another part of there society but only 40 years later after the Europeans had killed there latest emperor the Spanish have wiped out the rest of the Inca society.
Step-by-step explanation: