Apr. 1820 Federal law allows settlers to purchase lands in western United States. Dec. 1823 Monroe Doctrine established. Mar. 1824 Supreme Court establishes federal authority over interstate commerce. May, 1824...

In the last thirty years of the nineteenth century, the American economy had been wracked by a series of economic depressions. By the dawn of the twentieth century, business was booming. In most American industries, business owners were learning the...

The economic history of the United States has its roots in European settlements in the 16th, 17th, and 18th centuries. The American colonies progressed from marginally successful colonial economies to a small, independent farming economy, which in 1776...

In 19th century followed by the Civil War, the United States became the world's leading industrial power. Industrialization brought many impacts that changed American society. The major impact by industrialization in American society was urbanization, growth of big business and the raise of labor union, bringing positive and negative effects.