What was the intelligence status of the mound builders?

Answer 1

The Mound Builders, a term used to describe various ancient indigenous cultures in North America, including the Adena, Hopewell, and Mississippian societies, demonstrated advanced intelligence through their complex social structures, extensive trade networks, and impressive engineering skills. They constructed large earthen mounds for ceremonial, burial, and astronomical purposes, indicating a sophisticated understanding of geometry and land use. Their artwork, pottery, and tools reflect a rich cultural heritage and the ability to adapt to their environments. Overall, their achievements suggest a high level of cognitive and organizational capabilities.