I think you should double check it and see if you can find the answer if not come back and ask again
The Bill of Rights because it gave power to the states and national government bringing balance.
Answer:nMining played an important role in the settling of the American West. Demand for minerals rose dramatically after the Civil War as the United States changed from a farming nation to an industrial nation. Mining also led to the building of railroads to connect the mines to factories back east.
Explanation: