USA HISTORY

Detailed explanation-1: -These mounds were created by the Mississippians who lived here in the 10th century CE. The flat-topped, pyramidal mounds were raised in layers at intervals over many years; and suggest intricate social relationships.

Detailed explanation-2: -From c. 500 B.C. to c. 1650 A.D., the Adena, Hopewell, and Fort Ancient Native American cultures built mounds and enclosures in the Ohio River Valley for burial, religious, and, occasionally, defensive purposes. They often built their mounds on high cliffs or bluffs for dramatic effect, or in fertile river valleys.

Detailed explanation-3: -The Etowah Mounds is an ancient tribal centre of the South Appalachian Mississippian culture, that built a large settlement comprising of three large pyramid style platform mounds, in addition to 3 lessor mounds on the shore of the Etowah River in the present-day Bartow County of Georgia.

Detailed explanation-4: -Cahokia was the largest and most influential urban settlement of the Mississippian culture, which developed advanced societies across much of what is now the Central and the Southeastern United States, beginning more than 1, 000 years before European contact.