https://www.realclearscience.com/bl...ten_culture_that_built_americas_pyramids.html
Students of history in America are aware of the Ancient Egyptians, the Incas of Peru, and the Aztecs of Mexico, but fewer are familiar with a great civilization that spread across the eastern United States from approximately 800 to 1600 CE. Meet the Mississippians.
Long before European settlers planted the seeds of modern civilization in North America, the Mississippian culture spread from the Florida Panhandle all the way to southern Minnesota. Defining the dozens of discovered settlements are distinct earthwork mounds that resemble pyramids of dirt. Various structures were regularly constructed atop these mounds. Chiefs presided over individual settlements, and were thought to regulate trade, particularly of maize, which archaeologists believe was the primary staple crop
Full story at site
Students of history in America are aware of the Ancient Egyptians, the Incas of Peru, and the Aztecs of Mexico, but fewer are familiar with a great civilization that spread across the eastern United States from approximately 800 to 1600 CE. Meet the Mississippians.
Long before European settlers planted the seeds of modern civilization in North America, the Mississippian culture spread from the Florida Panhandle all the way to southern Minnesota. Defining the dozens of discovered settlements are distinct earthwork mounds that resemble pyramids of dirt. Various structures were regularly constructed atop these mounds. Chiefs presided over individual settlements, and were thought to regulate trade, particularly of maize, which archaeologists believe was the primary staple crop
Full story at site