Respuesta :
Answer: rail roads I just took the test and that was the answer
Explanation:
The cities of Fort Worth and Dallas both increased dramatically in size in the late 1800s in large part because of new railroads.
How cities of Fort Worth and Dallas expanded through railroads?
The first railway line in Fort worth was esatblished in July 1876 that has a track long from wast to u. It leads to the building of towns nearby the track.
Therefore, many investors from the east US started to give funds for building railway tracks. It increased the population and boost economic activities.
Learn more about railway constructions here:
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