In what way did the Nations growing transportation system help promote economic growth? It made it easier for native Americans and freed African Americans to obtain the same goods as white people, boosting demand. Because it added costs for the delivery of goods, it made more profits for the manufacturers. Railroad rebates and pools brought down prices for small farmers, who could then afford to moderize their equipment. Or it opened up national markets for selling and obtaining resources and helped lower cost of production.

It opened up national markets for selling and obtaining resources and helped lower the cost of production. By allowing for easier transportation of goods and resources across the country, the growing transportation system facilitated access to a wider consumer base and reduced distribution costs. This, in turn, stimulated economic growth by increasing trade and fostering competition among businesses. Additionally, the expansion of the transportation system allowed for more efficient movement of raw materials and finished products, ultimately leading to lower production costs for manufacturers.