The building of the railroad system led to expanded opportunities for businesses.
Scientific discoveries contributed to increased immigration and an expansion o slavery.
The cotton gin and McCormick's reaper led to the temperance movement.
Most inventions during this period had little effect on how and where people worked.
Blockade during the War of 1812
International slave trade
Increased use of steam power
Irish immigrants came to urban areas in the North to begin work on the Transcontinental Railroad.
Religion was a major factor that kept people from making the move to American urban centers.
The attraction of work in American urban areas meant separation and worry for family who were left behind.
Urbanization caused should families to seek work in the North.
Great Britain was unable to establish firm control of the American economy.
Colonists remained largely unaffected by many of the British regulations on the production and trade of goods within the colonies.
Laissez-faire policies on the part of Great Britain let Americans be economically self-reliant.
Great Britain encouraged Americans to set up an independent economy.
Rich soil and a long growing season
Innovation of interchangeable parts
Invention of the cotton gin
Use of the Triangle Trade