Answer: Changes to the railroad system had a significant impact on American industries, helping them to grow and expand in several ways. One example is that the development of the transcontinental railroad allowed for faster and more efficient transportation of goods across the country. This opened up new markets and opportunities for businesses to reach a wider customer base. Additionally, the use of railroads for transportation of raw materials and finished goods helped to lower transportation costs, making it easier and more affordable for businesses to operate and grow. The increased efficiency of the railroad system also helped to spur innovation and technological advancements in industries such as manufacturing, agriculture, and mining.
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