second body paragraph: (explain the second cause of industrial growth in the united states.)

Brief Explanations:

One cause of US industrial growth was a large - scale influx of immigrants. They provided a vast labor force, bringing diverse skills and a willingness to work in various industries. Another could be the availability of abundant natural resources like coal, iron, and oil which were crucial for industrial production. For example, coal was used for energy in factories and iron for manufacturing machinery and infrastructure.

Answer:

One possible second cause of industrial growth in the United States was the development of a vast transportation network. Railroads connected different regions, facilitating the movement of raw materials to factories and finished goods to markets. This expansion of transportation improved efficiency, reduced costs, and increased the market reach for industries, thus fueling industrial growth.