Each u. s. state has at least one
1.u. s. tax court
2.u. s. supreme court
3.u. s. district court
4.u. s. court of appeals

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.

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict

the structure was most likely used for;

c. playing a ball game with stone hoops