"Developments in transportation, rather than in manufacturing and agriculture, sparked American economic growth in the first half of the nineteenth century." is not accurate. While development in transportation played a fundamental role in America's growth, if it were not for developments in manufacturing and agriculture the new technology in transportation could not have successfully been completed. Without the raw materials, and the products which came out of the early US iron and steel industry, (which …showed first 75 words of 427 total…

…showed last 75 words of 427 total…able to make twice the amount of the price of goods. Although these booms in the economy did not last for every long, it can not be intelligently argued that new developments in transportation were the only reasons in which the United States economy boomed during this time. New inventions, and new ways of creating goods, which came along with the Industrial Revolution truly opened up the nation's workforce, and sprang its economy as well.