Yeah in a lot of ways that initial experience of totally eradicating a native population and settling their lands help set up the United States (and subsequent colonial nations, looking at you Nazi Germany) to be very effective at imperial projects elsewhere. The US's handling of the native populations of places like Hawaii and the Philippines was directly inspired by their dealings with Amerindians.
The robbing of agency, life, and lands from native americans is an ongoing aspect of the American empire, perhaps its core aspect.
Yeah in a lot of ways that initial experience of totally eradicating a native population and settling their lands help set up the United States (and subsequent colonial nations, looking at you Nazi Germany) to be very effective at imperial projects elsewhere. The US's handling of the native populations of places like Hawaii and the Philippines was directly inspired by their dealings with Amerindians.