In the case of James White v. Hiram Turk, James Vaughan, and Willpam Grant, the plaintiff argued that he had been wrongfully deprived of his freedom by being held in slavery despite having a legal right to be free. The defendants claimed that they were legally entitled to hold him as a slave based on an agreement between them and White's former owner. The Supreme Court ultimately ruled in favor of White, finding that no valid contract existed between the parties due to lack of consideration or mutuality; therefore, it was unlawful for them to hold him as a slave against his will. This decision set an important precedent for future cases involving similar issues regarding contracts related to slavery and established clear guidelines about what constitutes a valid contract under U.S law at the time

In the case of James White v. Hiram Turk, James Vaughan, and Willpam Grant, the Supreme Court had to decide whether a slave owner could bring an action in court against another person for damages caused by their negligence that resulted in injury or death to his slave. The majority opinion held that such actions were not allowed under existing law because slaves were considered property and therefore did not have any legal rights or standing before the court. However, Justice McLean dissented from this decision arguing that although slaves may be considered property they are still human beings with inherent value and should be afforded some protection under the law. He argued further that allowing owners to sue for damages would provide incentive for people to exercise greater care when dealing with other's property as well as providing compensation when harm is done due to someone else's negligence.