In the years following the Civil War, railroads were privately owned and ... support of both major political parties and pressure groups from all regions of the country ... Labor unions formed or organizations that promoted the interests of workers ... In a monopoly, there is no competition and the seller can increase the price of ...
The United States upheld a ten-hour work day, which was accepted for both men and women. :)
I believe 3 is the answer, because I think the U.S bought a part of Mexico.
Answer:C. Payments to older Americans
Explanation:
Gave old people pensions during great depression