The Market Revolution, a period of rapid economic transformation in the United States from the late 18th century to the mid-19th century, was characterized by changes in technology, transportation, and labor. These shifts had profound impacts on American society, facilitating the growth of cities and the rise of a consumer economy. As new methods of manufacturing emerged, the nature of labor also evolved, with an increased reliance on wage laborers and a decrease in household production.
Which of the following developments was a significant factor in the acceleration of the Market Revolution?