It was not stolen but won in a war. Actually, the natives didn't believe in owning property and did nothing with the land anyway.
Evil white men murdering saintly red men living peacefully in Eden.
White man = the conqueror. White men settled many places worldwide, driving out or eradicating the native peoples. It's called survival of the fittest and not called be kind to your neighbor.
And it's why we have a technologically advanced society today with laws and ethics.
Natives were living in a highly evolved and technologically superior civilization before evil white man arrived.Same as Wakanda was before whites invaded Africa.
Stealing land is literally the history of how the entire world was populated, settled and divided up