Why were earthworks created by Mound Builders?

Then, a new religion swept through the region, attracting followers who built ceremonial centers along rivers and lakes. They lived in small settlements of kinspeople led by senior family members. read more

As to why they built earthworks instead of stone structures like their Central and South American counterparts, it is likely a matter of practicality surrounding 2 issues: 1.) Much of the mound builder cultures (it was never one single state) were located in the northern latitudes of North America. read more

The various cultures collectively termed Mound Builders were inhabitants of North America who, during a 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes. read more

Earthworks are engineering works created through the moving or processing of parts of the earth's surface involving quantities of soil or unformed rock. The earth may be moved to another location and formed into a desired shape for a purpose. read more