The ancient civilization that was built by the Mayans. To answer this question, you can use historical knowledge or do some research. The Mayan civilization was a Mesoamerican civilization that existed in the region of southern Mexico, Guatemala, Belize, El Salvador, and Honduras. The Mayans built remarkable cities and had a rich culture, known for their advancements in architecture, mathematics, astronomy, and writing systems. They thrived from around 2000 BC to 1500 AD. So, the correct answer is Mayans.