Which of the following best describes the distinction between the 12 regional circuit courts and the 13th circuit? a. the 12 regional circuits handle the special cases involving copyright law, while the 13th circuit manages the normal appeals from district courts. b. the 12 regional circuits hear cases sent from district courts in their respective regions, while the 13th circuit has nationwide jurisdiction over special cases. c. the 12 regional circuits have nationwide jurisdiction over constitutional issues, while the 13th circuit is limited to the district of columbia area. d. the 13th circuit has the final say on decisions from the other 12 circuits and ultimately decides whether to send a case to the supreme court.