The majority of federal cases in the united states are settled by

u. s. district courts

u. s. supreme court

u. s. appellate courts

u. s. courts of appeals

The right answer is US Dristic Courts

Explanation:

The district courts are the general trial courts of the court system. These kinds of courts solve disputes by setting which facts are important for the case and applying legal values to choose who has the right point in the trial. In these courts the participants are the district judge who is in charge of the case and the jury who has the last decision on the case.