Major Pre-Columbian Indian Cultures in the United States. They are associated primarily with the Great Plains area. Major canals were over 30 miles long. Highland farmers but also hunters in what is now eastern Arizona and southwestern New Mexico. Their descendants are the Hopi and other Pueblo Indians. I hope that this is the answer that you were looking for and it has helped you.
The Black Plague was the major contributor
He addressed Federalist Paper No. 10.
It is true that new ecosystems have been created by human land use. When
humans use land, they change it to accommodate their own needs, and
thus new locations and new habitats for other organisms are created.
These organisms can now live there and create new organisms, and thus
create new ecosystems as a result of human use of that particular piece
of land.