Answer:
Federalism
Explanation:
Federalism is the system of government in which power is divided between a central government and regional governments; in the United States, both the national government and the state governments possess a large measure of sovereignty.
Answer: c. With the construction of railroads came a big decrease in violence across the West.
Explanation:
There is no evidence suggesting that the construction of railroads helped reduce violence in the West. There is no evidence suggesting that it increased it either.
That being said, there were probably more chances for crime though as a result of new railroads because people could be robbed on trains and in stations.