The answer is A. Discussed today in my class.
They wanted workers who were young and unmarried so that they don't have to take care of any kids or take care of a household, and just work.
Answer:
Railroads brought rapid expansion of people, business, and cities across the state. ... Because railroads enabled farmers and ranchers to transporttheir products more efficiently, by the turn of the century Texas had become a leading producer of both cattle and cotton.