What was a result of the changing economy of the north during the mid- 1800’s

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?

Of the following, who would be the least affected by the telegraph? eastern industrialists western businessmen city dwellers native americans