I want to say C because of the ship ports
Most likely b a sense of national identity
The name that given is Muckrakers
The term was popularly coined during the development of early progressive era in the period of 1890s - 1920s.
Back then, the government and the establishments were known to be really corrupt and many Muckrakers started to do investigative journalism to find out the truth about their practice.
Answer:
The answer is A- Stephen Douglas's argument
I believe it's B not 100% sure though
