Who were the first Americans to develope a high level of culture?

The first Americans to develop a high level of culture were the Indigenous peoples of the Americas, including civilizations such as the Olmec, Maya, Aztec, and Inca. These societies established complex social structures, advanced agricultural techniques, and impressive architectural achievements, such as pyramids and cities. They also created rich traditions in art, religion, and governance. Their contributions laid the foundation for the diverse cultures that exist in the Americas today.