In the case of Walter Dunn et al. v. Henry Clarke et al., the Supreme Court was asked to determine whether a state court had jurisdiction over land located in another state, and if so, what rights did it have? The appellants argued that since they were citizens of Georgia and owned property in Mississippi, they should be able to sue for damages caused by trespassers on their land in Mississippi without having to go through the courts of that state. However, the respondents contended that since Mississippi law gave them exclusive jurisdiction over all matters concerning real estate within its borders, any suit brought against them must be heard there first before being taken up by a federal court. After reviewing both sides' arguments and relevant laws from both states involved as well as those governing interstate disputes between two or more states, Chief Justice Marshall ultimately ruled in favor of Clarke et al., finding that under existing legal precedent at the time a state could exercise authority over lands outside its own boundaries when necessary for public safety or welfare purposes such as protecting private property rights.

In the case of Walter Dunn et al. v. Henry Clarke et al., the Supreme Court was tasked with determining whether a deed from an Indian tribe to private individuals was valid and enforceable under state law. The majority opinion held that it was not, as such transactions were prohibited by federal statutes and treaties between the United States government and Native American tribes. However, in his dissenting opinion Justice Thompson argued that this transaction should be allowed because it had been approved by both parties involved - namely, the Indians who sold their land rights for money or other goods - as well as Congress itself which had ratified these agreements through its own legislation. He further noted that if this particular agreement were invalidated then all similar contracts would also be nullified, thus undermining any sense of stability within Indian affairs at large. As such he concluded that while there may have been some technical issues with how this contract came about (such as lack of proper documentation) they did not rise to a level where enforcement should be denied altogether since both sides appeared to have acted in good faith throughout negotiations leading up to signing off on said agreement