“THE UNITED STATES CAN NOT CLAIM THE LAND OF THE MOUND BUILDERS (see Heirs of Henry Turner vs. The United States case #191 on June 6, 1848 ,declared by Supreme Court Justice Theo H. McCaleb.)
Maxim Ex Injuria Jus Non Oritur
A law (or right) does not arise from injustice". It's a principle of international law that means a legal right or entitlement cannot come from an unlawful act or omission.