U.S. Supreme court judged the government unconstitutionally breached the Fort Laramie Treaty which ensure the Sioux’s rights of occupying their territories including black hills. Prospectors and unauthorized person along with the government trespassed the legally protected Sioux’s territory and force them to migrate against their will. Although Sioux’s claim was once barred by res judicata on 1942, the government admitted them to claim on violation of the Fifth Amendment by 1978 Act which was reviewed by the court of claims. The Supreme Court also indicated that Sioux received a full value of their land of 17.1 million dollar as a compensation from the government on 1877. In consequence, U.S. Supreme Court reevaluated the case that the breach
