The building of the railroads impacted the economy and new business practices in the late 1800s, but lumber, coal, and steel are not impacted.
How railroads helped coal, steel and lumber?
- The coal industry is not impacted because U.S. railroads gone 3.0 million carloads of coal, with each rail car carrying adequate coal to power 19 homes for a year. Coal accounted for 25% of originated duty for U.S. railroads, more than any other commodity.
- The railroads supported the steel industry by rendering a means of cheap and certain transport. Railroads also helped the steel industry gesture because of its need for steel sounding stock and rails.
- More than 500 working railroads entered the huge evergreen and deciduous forests of Michigan's two dry land, bringing out vendable timber for lumber-hungry customers throughout the Middle west and the Northeast. This earliest phase of “river lumbering” was confined to areas near rivers and watercourses.
Therefore, the railroads helped the lumber, coal, and steel industries so, these three are not affected by the railroads.
Hence, option [A] is correct.
Learn more about railroads, refer:
https://brainly.com/question/513966
