Final answer:
The growth of railroads in America had significant impacts on the nation's expansion, economy, and way of life.
Step-by-step explanation:
The growth of railroads had a significant impact on Americans in various ways. Firstly, it facilitated westward expansion and the settlement of new areas. This led to economic growth, as railroads allowed for the transportation of goods over long distances more efficiently. Secondly, it changed the way people lived and worked. Railroads created new job opportunities and helped build towns and cities along their routes. Lastly, railroads also played a role in the development of a national market, as they allowed for the movement of goods and people across the country.
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