In New Hampshire v. Louisiana and Others, the Supreme Court of the United States was asked to decide whether the State of New Hampshire had the right to sue the State of Louisiana and other states in the Supreme Court. The case arose out of a dispute between New Hampshire and Louisiana over the ownership of certain lands in the Mississippi River. New Hampshire claimed that it had acquired the lands from the United States in 1803, while Louisiana argued that it had acquired the lands from France in 1803. The Supreme Court held that New Hampshire had the right to sue Louisiana and the other states in the Supreme Court. The Court reasoned that the Constitution of the United States gave the Supreme Court the power to hear cases between states, and that the dispute between New Hampshire and Louisiana was a case between states. The Court also held that the dispute was a matter of national importance, and that the Supreme Court was the proper forum for resolving the dispute. In conclusion, the Supreme Court held that New Hampshire had the right to sue Louisiana and the other states in the Supreme Court. The Court reasoned that the dispute was a matter of national importance, and that the Supreme Court was the proper forum for resolving the dispute.

In the case of New Hampshire v. Louisiana and Others, the Supreme Court was tasked with determining whether or not a state could be held liable for debts incurred by another state. The majority opinion found that states were immune from such liability, but Justice Field dissented. He argued that while it is true that no one can sue a sovereign without its consent, this does not mean that states are completely exempt from all responsibility to other states in regards to debt obligations. Furthermore, he noted that if two parties enter into an agreement then both should be expected to abide by their terms; otherwise there would be no incentive for either party to keep their word and honor any contract they make with each other. In conclusion, Justice Field believed the court should have allowed New Hampshire's suit against Louisiana as it had been promised payment on certain bonds issued by Louisiana which had yet to be fulfilled despite multiple attempts at collection over many years' time.