:Article III, Section II of the Constitution establishes the jurisdiction (legal ability to hear a case) of the Supreme Court. The Court has original jurisdiction (a case is tried before the Court) over certain cases, e.g., suits between two or more states and/or cases involving ambassadors and other public ministers.
<span>This was the Gibbons v. Ogden ruling. In this case, Marshall held that the Interstate Commerce clause was able to be used to regulate commerce in the case of a steamboat operator who wanted to work the waterways connecting New York and New Jersey.</span>
My guess would be C. Hope I'm right!