One important outcome of edwin james’ expedition reports is that a. illustrations of bison encouraged americans to hunt them to near extinction b. accounts of rich, fertile soil encouraged americans to settle the land c. descriptions of inhospitable land discouraged colonization for many years d. depictions of hostile native tribes discouraged colonization for many years

I think it is C. descriptions of inhospitable land discouraged colonization for many years. 

the correct answer is d: "party organizers, volunteers, voters, and elected officials."

party organizers: individuals responsible for designing strategies in order to better execute the political campaign. this includes the candidate's public relations. volunteers: individuals responsible for raising awareness regarding the candidates running for office.voters: individuals who are convinced by volunteers that a particular candidate is the best option.elected officials: winning candidate and his elected team are a product of a successful political campaign.