At the time of its conception, which of the following had the largest impact on the United States ' national economy in terms of encouraging mass production for a national market of consumers?

Question

Quizplus · Accepted Answer

The railroad system had the largest impact on the United States' national economy by encouraging mass production for a national market of consumers. It revolutionized transportation, making it faster and cheaper to move goods across long distances, thus facilitating the growth of national markets and the mass production of goods.

At the Time of Its Conception, Which of the Following