”The scale of this agricultural system by ancestral Menominee communities is 10 times larger than what was previously estimated," says lead author Madeleine McLeester, an assistant professor of anthropology at Dartmouth. "That forces us to reconsider a number of preconceived ideas we have about agriculture not only in the region, but globally.”
If you want to know about how advanced Native American civilization was before colonization and the unprecedented mass death from disease right after colonizers arrived, it might be a good idea to ask them.
LIDAR and modern advancements in archaeology are still playing catch-up with tribal history. Native Americans built massive cities and had complex trade routes. They created an incredible civilization before it was subject to genocide and erased by Eurocentric modern history.