"Which of the following actions should a federal district court take with respect to jurisdiction?
Hear the case on the merits, because a federal claim is presented. 
Hear the case on the merits, because the expenditure of state funds in support of segregation is forbidden by the Fifth Amendment. 
Abstain from jurisdiction, because the constitutional issue should be litigated first in a state court. 
Dismiss the case for lack of jurisdiction, because the issue of Bar Association activities is solely within the domain of state law