The wealth and power of Songhai derived from a. its extensive gold mines
b. Timbuktu's reputation as a center of Islamic teachings
c. the merchant crossroads cities of the middle Niger
d. tribute paid by all subjects

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.