In the case of Cammeyer v. Newton, 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 between Cammeyer and Newton, and it stated that Newton would pay Cammeyer a certain sum of money in exchange for Cammeyer's promise to not compete with Newton in the same business. The Supreme Court held that the contract was valid and enforceable. The Court reasoned that the contract was not against public policy, as it did not restrain trade or competition. Furthermore, the Court found that the contract was not too vague or uncertain, as it clearly stated the terms of the agreement. The Court also held that the contract was not unconscionable, as it was not oppressive or one-sided. The Court noted that both parties had the opportunity to negotiate the terms of the contract, and that both parties had the opportunity to seek legal advice before signing the contract. In conclusion, the Supreme Court held that the contract between Cammeyer and Newton was valid and enforceable.

In the case of Cammeyer v. Newton, the Supreme Court was asked to decide whether a contract between two parties for the sale of land in New York could be enforced by an action at law or if it must be done through equity. The majority opinion held that since there were no fraud or mistake alleged, and because both parties had agreed to all terms of the contract, it should be enforced as written. Justice Field dissented from this decision on grounds that he believed enforcement would lead to injustice and hardship for one party due to changes in circumstances since entering into the agreement. He argued that courts have long recognized their power under equity jurisdiction to modify contracts when necessary so as not prevent manifest wrongs from occurring; thus, he concluded that this particular contract should also fall within such jurisdiction and allow for modification before being enforced according to its original terms.