Answer:
C) Acts recommended by Grant and imposed by Congress to try to protect Black voters from intimidation and violence
Explanation:
Between 1870 and 1871 congress passed the Enforcement Acts allowing blacks to vote with protection as well as hold office and serve of juries
They got more workers to build for them
The cause of this war was A because they were always at battle on the sea (US and British)
Growth of the railroads.The government gave the railroad companies huge amounts of land for every mile of track laid. This land was used to develop new towns and cities, greatly reducing the area of free pasturage available to cattle owners for their herd.
Increasing numbers of new immigrants. Many of these European immigrants set up as sheep farmers, which required much less capital investment than cattle farming. The sheep farmers fenced off their land, further reducing available free pasturage for cattle, and additionally denying access to vital water sources for the cattle herds.