Tenochtitlan: Tenochtitlan was the capital city of the Aztec Empire, located where modern-day Mexico City stands.
Montezuma II: Montezuma II was an Aztec emperor who ruled during Cortes' conquest. He initially welcomed Cortes but later became his prisoner.
Smallpox: Smallpox is a highly contagious disease brought by Europeans that devastated native populations, including the Aztecs, who had no immunity to it.