In what way did the nation's growing transportation system help promote economic growth? A it opened app natural markets for selling and obtaining resources and helped lower cost of production b. Railroad rebates and pools brought down prices for smaller farmers. Who could then afford to modernize their equipment? C. Because it added cost to the delivery of goods. It made more profits from the manufacturer d. It made it easier for the native Americans and freed. African Americans to obtain the same goes as a white people boosting demand.
