[mathewsanders]

Those smaller controlled burns help prevent organic matter from building up that can lead to more devastating uncontrolled fires. The national parks service has been incorporating those methods into their fire management practices.

And driving bison of cliffs were a sustainable hunting practice - it was habitat loss due to farming and commercial hunting that led to their population decline.

[WalterBright]

The bison were deliberately shot in order to force the Comanche onto reservations.

"Empire of the Summer Moon" https://www.amazon.com/Empire-Summer-Moon-Comanches-Powerful...