In Britton & Another v. Thornton, the Supreme Court of the United States was asked to decide whether a contract between two parties was valid and enforceable. The contract in question was an agreement between the plaintiff, Britton, and the defendant, Thornton, in which Thornton agreed to pay Britton a certain sum of money in exchange for Britton's promise to convey certain real estate to Thornton. The Supreme Court held that the contract was valid and enforceable. The Court noted that the contract was clear and unambiguous, and that the parties had agreed to all of its terms. The Court also noted that the contract was supported by consideration, meaning that each party had given something of value in exchange for the other's promise. The Court further held that the contract was not voidable due to any lack of capacity on the part of either party. The Court noted that both parties were of sound mind and had the capacity to enter into a contract. Finally, the Court held that the contract was not voidable due to any fraud or misrepresentation on the part of either party. The Court noted that there was no evidence that either party had made any false statements or had acted in bad faith. In conclusion, the Supreme Court held that the contract between Britton and Thornton was valid and enforceable.

Justice Field delivered the dissenting opinion in Britton & Another v. Thornton, arguing that the majority's decision was contrary to both precedent and common sense. He argued that a contract between two parties should be enforced according to its terms, regardless of whether or not it is beneficial for either party. Furthermore, he noted that if one party had been aware of any potential legal issues with the contract prior to signing it, they would have taken steps to protect themselves from such risks. In this case, however, neither party was aware of any potential legal issues until after they had already entered into an agreement; thus enforcing the contract as written would be fair and just for both parties involved. Justice Field concluded by noting that while courts may sometimes modify contracts when necessary in order to prevent injustice or fraud upon one side or another - which did not appear applicable here - there should always remain a strong presumption in favor of upholding contracts as written unless there is clear evidence demonstrating otherwise.