Answer:
The conquistadors were able to conquer the Native American empires because of disease's they carried which the Native Americans had no immunity to. Hernan Cortes was one of the many Spanish conquistadors, he landed on the coast of Mexico who began his exploring towards the capital of Aztec empire with 600 men, horses, and cannons, to Tenochtitlan. He had a translator and advisor named Malinche who helped them explore. All of those things were able to help them conquer American empires