C is the answer to ur question
Answer: Yes they should care because these workers knowing fully well that the companies are taking advantage of the country been less developed against their wages, will one day migrate to look for more favorable job that pays well.
I think the answer would be D: deposition
Answer: Railroad expansion affected the US economy by creating jobs, establishing a national market, establishing a cattle industry on the Plains, and allowing certain people to acquire great wealth through investing in the railroad.
Explanation: