Which of the following was a direct result of the growth of the railroad industry? a. improvements in electric power b. increased number of labor unions c. increased settlement in the West d. increased use of scientific management

C. increased settlement in the West was a direct result of the growth of the railroad industry. The development of railroad industry make it easier from people all over the country to travel to the west and open their business there. It also allowed easier distribution that make it possible for the western frontier to sell their products to all over the country