Answer:
The element of surprise and other stuff.
Explanation:
They were able to enter the city. The Aztecs thought that Cortes was a god. Also they had guns, cannons,swords, and horses. They thought the horse wold eat them alive. Also, the Europeans brought diseases such as smallpox which weakened the Aztecs greatly and made the battle easier.
People who worked in factories lived together in small houses that were full to the brim and the idea was to go work while another sleeps, and then you sleep when others work.
