Which best describes a characteristic of both the Aztecs and Inca? A) They kept records using quipu—knotted strings. B) They constructed thousands of miles of roads. C) They built large cities with sophisticated architecture. D) They used runners to carry messages throughout the empire.

C) They built large cities with sophisticated architecture.

Explanation:

Both the Aztecs and the Inca Empire built large empires with several cities. The Aztec capital: Tenochtitlán, was one of the largest cities of the world at the time. Built over a lake, the lake texcoco, it had magnificent architecture: temples, pyramids, and facilities.

The Incas also built large, important cities in the Andes. Machu Pichu perhaps being the most famous.