USA HISTORY

Detailed explanation-1: -The Europeans brought with them diseases such as measles and smallpox against which the American tribes had no natural immunity. They spread like wildfire, killing rulers of both the Aztecs and Incas, along with millions of other people.

Detailed explanation-2: -The Aztec had no immunity to European diseases. Smallpox spread among the indigenous people and crippled their ability to resist the Spanish. The disease devastated the Aztec people, greatly reducing their population and killing an estimated half of Tenochtitlán’s inhabitants.

Detailed explanation-3: -Invaders led by the Spanish conquistador Hernán Cortés overthrew the Aztec Empire by force and captured Tenochtitlan in 1521, bringing an end to Mesoamerica’s last great native civilization.

Detailed explanation-4: -The Spanish were able to defeat the Aztec and the Inca not only because they had horses, dogs, guns, and swords, but also because they brought with them germs that made many native Americans sick. Diseases like smallpox and measles were unknown among the natives; therefore, they had no immunity to them.

Detailed explanation-5: -There were many factors involved that led to the great fall of the Aztec empire. The four major factors that were obvious to the downfall of the Aztecs was the bloody sacrifices, religion, diseases, and the Spanish tactics used against the Aztecs.…