Advances in technology in the 1800s allowed American businesses to exchange information using telegraphs. The telegraph was a significant technological advancement that revolutionized communication in the 19th century. It allowed businesses to send messages quickly and efficiently over long distances, which greatly improved the speed and accuracy of communication. This allowed businesses to make faster and more informed decisions, which helped to increase productivity and efficiency. The telegraph also played an important role in the development of the American economy, as it helped to facilitate trade and commerce by allowing businesses to communicate with each other more easily.