Each U.S state has at least one: 3.U.S. District Court
The district court in united states has the authority to handle both civil and criminal cases before reaching the supreme court. It is important for each state to has at least one district court so its citizens do not have to go into other states' jurisdiction to file a case. Only 10% of cases is eligible for higher court than the district court every year.
I believe your answer would be the App Mountains i remember learning something similar to this in ninth grade but that was in the beginning of it so i might be wrong but i have a pretty good feeling it is :)
