The answer is D) 8 hr work day
Answer:
B. More railroad connections
They operate, maintain or repair geothermal power plants and commercial and residential geothermal heating installations. (googled this for you)
I think the first one is "paper assets" and the second one "derivates". I'm not 100% sure though.
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.