Dramatic global cooling with the oceans freezing to a depth of perhaps 1000m
Total extermination/genocide of an entire race/culture.
In the years following the Civil War, railroads were privately owned and ... support of both major political parties and pressure groups from all regions of the country ... Labor unions formed or organizations that promoted the interests of workers ... In a monopoly, there is no competition and the seller can increase the price of ...
I believe it is C. Hope this helps and give me branliest or failure.