Might equals righteousness?
Is that better?
Was Queen Victoria the Empress of India an asshole or a liar?
As your current theory stands, the Native Americans could ask all non Native Americans to leave North America, so that they could have their home back, and good manners would force all non Native Americans to eject themselves off the continent.
That would be pleasant and hilarious, but it's not going to happen without some massive cultural shift on par with a literal apocalypse.