How did the Caddo culture adapt to and modify the environment?

The Caddo culture adapted to and modified their environment primarily through agriculture, cultivating crops like maize, beans, and squash in the fertile soils of the southeastern United States. They constructed complex earthen mounds for ceremonial and residential purposes, enhancing their social and spiritual structures. Additionally, they utilized local resources for crafting tools and pottery, which reflected their understanding of the land and its offerings. This combination of agricultural innovation and architectural development allowed the Caddo to thrive in their environment.