e Michigan. As the nation began to produce manufactured goods, it no longer needed to export raw materials and import finished or manufactured products from outside sources. The South and West provided raw materials for the North to turn into manufactured goods. In turn, the North produced manufactured goods from the raw materials and sent their products to various parts of the country. Transportation grew as a result of the greater amount of goods available from both raw materials and manufactured goods. The growing market for manufactured goods allowed producers to find new consumers in the American market, rather than seek foreign buyers for raw materials. In order to transport these goods, new trade routes were formed through canals, highways, and railroads. As developments in manufacturing and agriculture increased, the amount of both raw products and manufactured goods grew, satisfying the need in the country. There was no longer a need to import and export goods. In this way, developments in manufacturing and agriculture sparked the market revolution which gave rise to developments in transportation. These developments in transportation gave rise to more economic centers thus aiding economic growth in the first half of the 19th century....
