The traveling for Americans did not stop after the immigration from Europe. The growth of the nation was promoted by President Jackson while he encouraged the idea of Westward movement. The Americans kept moving westward cutting down forest and chasing Indians further out of their territory. During 1815 and 1850 the population of the west increased rapidly from one seventh to one third of the population in the United States about 8.5 million. Americans moved west of the Appalachian Mountains to become farmers in the "bread basket" of America.

By 1840 migration had spread across the Mississippi and started to reach the Great Plains. As Americans moved west, so did federal troops who forced the Native Americans to new reservations on worse western lands. One of the migrations is knows as the "Trail of Tears" where the military forced the Cherokees out of Georgia.

Although most of the westerners were farmers, cities began to emerge. Many cities were built before the population was there. They believed that the population would come after the cities were built. Newspapers were being founded before any large population was at a city, hotels were built in the middle of nowhere, just the opposite way of how cities were built on the East coast. In both regions of the North and South, westward migration led to diffusion of population and the expansion of the agricultural economy into new areas.the expansion of the agricultural economy into new areas. In the south, such expansion also played a