How was the development of the American west linked to the economy of the eastern united state?

The development of the American West was closely tied to the economy of the Eastern United States through the demand for resources, land, and agricultural products. Eastern industries sought raw materials like timber, minerals, and agricultural goods, which spurred westward expansion and settlement. Additionally, the establishment of railroads facilitated the transportation of goods and people, linking Eastern markets with Western resources, thereby enhancing economic growth. This interdependence fostered a national economy, as goods flowed between the two regions, driving innovation and investment.