Why did most large African civilizations settle along the great rivers of Africa? Select the best answer from the choices provided. A. In general, the river valleys were fertile and supported productive farms. B. Major rivers allowed trade within Africa and even further beyond. C. Land transportation was much more difficult than river transportation. D. All answers are correct.

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.