PLEASE HELP!!

in the late 1800s, subsidies were given

A. by the government to cattle ranchers in the west to encourage them to produce more cattle.

B. by large mining companies to individual prospectors who would search for deposits of precious metals.

C. by the government to railroad companies to encourage the expansion of railroads in the east.

D. by the government to railroad companies to encourage expansions of railroads in the west.