How did the Byzantine nobility contribute to the decline of the Byzantine empire

Based on your reading of this section of article 3 of the u. s. constitution, which of the cases listed below is not a case you would expect to be the responsibility of the federal courts? "the judicial power shall extend to all cases, in law and equity, arising under this constitution, the laws of the united states, and treaties made, or which shall be made, under their authority; --to all cases affecting ambassadors, other public ministers and consuls; --to all cases of admiralty and maritime jurisdiction; --to controversies to which the united states shall be a party; --to controversies between two or more states; -- between a state and citizens of another citizens of different citizens of the same state claiming lands under grants of different states, and between a state, or the citizens thereof, and foreign states, citizens or subjects."