A few things to think on.
First, the American Indians were here before America was established and despite whatever label may be introduced, nothing really describes them adequately. Maybe the First Nation is the best selection.
Second, the Americans took away the freedoms and livelihoods of Native Americans. As a country, a nation, a people, we are likely responsible for the largest genocide, prior to 1880.
Third, this all comes back to understanding or the unwillingness to understand and the ability to adapt and integrate ideas.