Compare and contrast the fall of the Incan and Aztec empires?

The spanish had conquered both the Inca and Aztec empires. although the Incas and Aztecs had advanced technology and weapons they could not keep the Spanish out. The spanish introduced diseases that the Incas and Aztecs were not immune to. The Spanish also brought over guns which the empires had not yet inbented and built. so in the end the Spanish had conquered both empires.