How did the growth of railroads affect supply and eland for natural resources in the united states

The growth of the railroads had a major effect on supply and demand for natural resources in the US, since it made it much easier and cheaper to transport these resources from place to place, which increased their demand and thus their supply.

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.