Answer:
D) - Teotihuacan
Explanation:
(Teotihuacan means "The place where the gods were created)
Once a thriving city in she sub-valley in what is today, the Valley of Mexico, believed to be apart of the Toltec culture, which ranged from 900 - 1150 AD
But there is evidence that supports the eastern tribe, the Totonacs are the ones that built the city and inhabited it.
Teotihuacan is known largely for its' archeological achievements. The city alone contains four large structures, being the Pyramid of the Sun, Pyramid of the Moon, the Quetzalcoatl, and the Ciudadela, more commonly known as the Citadel.
The population at the time, by estimate of the bare minimum, was somewhere between 100,000 - 200,000 by 500 CE
The city was designated as a UNESCO World Heritage Site in 1987, it was settled as early as 400 BC and earned tge title of the most powerful and influential city in the region by 400 AD
By the time the Aztecs found the city in the 1400s and named it Teotihuacan, though the city had been abandoned for centuries. Teotihuacan’s origins, history, as well as the culture remain a vast mystery.
Teotihuacan has signs of various cultures in its midst, ranging from Zapotec to Maya.
Today the city is still credited to be one of the world's, and America's, most remarkable mysteries.