In a short paragraph, describe two examples of how changes to the railroad helped American
industries to grow.

Railways as a key factor of economic development.

Explanation:

Railway infrastructure was a key factor in economic development during the Industrial Revolution. The installation of railways has significantly increased traffic, services and goods have had a rapid flow since then. Trains could haul a huge amount of goods in a significantly shorter time, which was not the case before. Railways caused an economic boom, production in all sectors intensified. Thus, for example, agricultural and dairy products that are more susceptible to perishability could be quickly distributed and placed on the market. The construction industry has also experienced great progress as the material has been transported faster and easier. In this way, new jobs were created because more were being built. People were able to travel faster to different locations by providing their services and thus generate income.

answer: i think it might be the last one

explanation:

its c not d   tell me if that´s correct