Key Development in the Market Revolution

During the Market Revolution of the early 19th century in the United States, profound changes in the economy altered the ways in which goods were manufactured, distributed, and sold. This period saw the rise of factories, mechanization, and an increase in the use of technologies like the telegraph and the steam engine. One significant change was the shift from handcrafting goods to mass production. Which of the following was a key development that characterized the Market Revolution?