The mining industry contributed to the development of railroads because the mining industry required transport routes to transport the goods that they mined to factories to be processed and urban centers to be finished and sold. Also they helped to contribute to the development of railroads by providing the metals and other inputs necessary to build the railroads themselves.
I'm going to say C since I looked up the question, but warning you , I may be wrong
Churchs, schools, and social organizations.
I'm african american so I like to study our past so this should be the correct answer... It took me 2 mins to remember so I really hope this is right and I am truly sorry if it's not.
Either tokens, tributes or duties. Hope this helps!