How did trust by companies like standard oil benefit and damage the u. s economy during the late 19th century?

Since its inception until the dissolution of the company Standard Oil succeeded in controlling the routes of transportation, primarily the railroads and pipeline. ... One thing that these deals did that benefited the economy was that increased efficiency in the railroads as well as the refineries.

Explanation:

your answer will be b. improving roads, bridges, and other infrastructure. hope i !