In the case of William H. Winder v Andrew D. Caldwell, the Supreme Court was asked to decide whether a contract between two parties could be enforced if it had been made without consideration or any other form of legal obligation. The plaintiff argued that he and the defendant had entered into an agreement in which they agreed to share profits from certain business transactions, but that no consideration had been given for this promise. The court found in favor of the defendant, ruling that there must be some form of legally binding consideration before a contract can be enforced by law. This decision established precedent for future cases involving contracts without consideration and set forth clear guidelines on when such agreements are enforceable under US law.

In the dissenting opinion of William H. Winder v. Andrew D. Caldwell, Justice McLean argued that the plaintiff had not proven his case and should have been granted a new trial by the lower court instead of having their judgment reversed on appeal to the Supreme Court. He believed that there was sufficient evidence presented in favor of both parties and that it was impossible for any one party to be able to prove their case beyond a reasonable doubt without further investigation or testimony from witnesses who were no longer available due to death or other circumstances. Furthermore, he argued that since this was an equity suit, which is based on fairness rather than strict legal principles, it would be unjust for either side’s claims to prevail without more proof being provided in support of them. Therefore, he concluded that granting a new trial would have been more appropriate than reversing the decision made by the lower court as neither party could definitively prove their claim with certainty at this time given all existing facts and circumstances surrounding this particular case