The Pyramid of the Sun was located in O San Lorenzo.
O Teotihuacan
O La Venta.
O Cuzco.
O Tikal.

Teotihuacan

Explanation:

Teotihuacan is a huge Aztec city. Aztecs were obsessed with the Sun and the Sun God, so it makes sense that they would build a huge pyramid of the Sun.

Have a wonderful day! :D

#1 im pretty sure its a.

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.