The movement of people fromrural to urban or suburban communities, as well as racial, age, and other groups moving fromone part of the country to another, has significant economic and political consequences.

The Indian removal resulted in European American farmers claiming and transforming the Southeast and the Ohio River Valley, instituting intensive agricultural development of those regions and increasing the agricultural production of the nation.

Immigration has affected the U.S. economy by increasing the supply of both skilled and unskilled labor, elevating demand for lowcost retail consumer goods and services, and suppressing labor costs.

The Great Migration of African Americans both influenced and was influenced by dramatic changes in the American economy during the twentieth century.

During the second half of the nineteenth century, Chinese immigrants played a significant role in the economic growth and development of the western part of the country.