The Americas start into advanced living was a difficult process. They had to form a linked economic market. Then they had to expand westward. Over come conflict with Texas to move west and expand its territory to across the continent.

The nation's regions linked in a market economy after a long process. Specialization came and helped the process. Specialization is the raising of one or two crops that a farmer could sell at home or abroad for profit. In the early 19th century American workers had produced their own goods or traded with neighbors to supply most of their needs. New communication links and transportation links aided the rise in specialization and a linked economy. In the Northeast canals and railroads transformed the northeast into the center of American commerce. There was a big rise in manufacturing. Although only fourteen percent of workers had manufacturing jobs workers produced...