Each U. S. state has at least one...

Each U.S state has at least one: 3.U.S. District Court

Explanation:

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.

industrial revolution, in modern history, the process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing