What was one similarity between the Mayas, the Incas, and the Aztecs? They all dug canals. They all created calendars. They all built roads. They all built temples.

The correct answer is that all of these indigenous people built temples of their own. In their era, each civillization created a temple as a place of worship for their god/s, wherein they offer food or even flesh as a sign of respect and love for their creators