<span>The cities of Chichen Itza and Tenochtitlan reveal that the civilization that founded them have advanced knowledge in architecture, mathematics, physics, chemistry and astronomy at the very least.
To create such proportional and seemless structures, civilization must have advanced mathematics in practice. And for those structures to stand not only the test of time but also the forces of nature requires specialized knowledge in both chemistry and physics. This leads to the conclusion that the people who planned the structures are not only priests or shamans but also engineers who like their modern counterparts are well versed in the sciences.
"A. The author wrote in Italian and presented very realistic characters" would be the best option from the list. The author, Dante, wanted to make it as relatable to his audience as possible.
