During the construction of the transcontinental railroad in the United States, A.cities on the coasts were cut off from the rest of the country. B. many people lost interest in new settlements. C.Civil War refugees fled to new towns in the western territories. D. many new towns and settlements grew.
During the construction of the transcontinental railroad in the United States, many new towns and settlements grew. So the answer is D. The railroad allowed people to travel to new territories in a fraction of the time it would take on horseback.
