In the case of William H. Williams v. James Ash, the Supreme Court was asked to determine whether a contract between two parties was valid and enforceable under state law. The plaintiff argued that he had entered into an agreement with the defendant in which he agreed to pay him for certain services rendered by the defendant, but that when it came time to make payment, the defendant refused to accept it due to a technicality in state law regarding such contracts. The Supreme Court ultimately ruled against Williams and held that since there were no specific provisions made in their contract as required by state law, then it could not be enforced or upheld as legally binding on either party involved. This decision serves as an important reminder of how important it is for individuals entering into agreements with one another to ensure they are properly documented according to applicable laws so they can be enforced if necessary down the line.

In the case of William H. Williams v. James Ash, the dissenting opinion argued that a state court should not have jurisdiction over a contract dispute between two citizens of different states when it was made in one state and to be performed in another. The majority opinion held that since the defendant had been served with process while he was present within the boundaries of Pennsylvania, then Pennsylvania courts could exercise jurisdiction over him for this matter even though both parties were from other states and neither party resided there at any time during or after making their agreement. The dissent disagreed with this reasoning because they felt that if such an interpretation were allowed, then every citizen would be subject to suit wherever they traveled regardless of where their contract originated or was intended to be fulfilled; thus allowing each state's laws to govern contracts made outside its borders which would lead to confusion and uncertainty among contracting parties as well as interference by multiple jurisdictions into matters beyond their authority.