Answer:
C. Americans did not know much about other parts of the country.
Explanation:
It was : B-refining oil Back then, standard oil managed to gain monopoly within the oil industry by buying all of the existing rival refineries and united it under the standard oil brand. This allow them to dominate the whole oil product that distributed in united states
It was the work with the railroads have a nice day sir/maam
Today; people go to store or to the market
People farmed or fished
Fishing and farming