What’s the context for this question
They now have a great water source and a way to travel?
The Islamic Golden Age is the era in the history of Islam, traditionally dated from the 8th century to the 13th century, during which much of the historically Islamic world was ruled by various caliphates, and science, economic development and cultural works flourished.
Answer:
Railroads often owned the right-of-way along the tracks, thus facilitating the sale of land to potential homeowners. Railroads also made it easier to get mail and consumer goods to people who had moved West.