Why did many early farmers settle in river valleys? Mountains and hills were impossible to farm.
Animals stayed away from the river valleys.
The valleys had water access and fertile soil.
The humans believed water killed evil spirits.

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.