Check my answers or . history will give 15 points to correct answer

ethnicity and race determined the boundaries of most urban residential districts.

to which term does this best fit?

a) social darwinism
b) social stratification
c) consumerism
d) the gilded age

im not sure if its a or b

B) Social Stratification because social darwinism 
 was used to justify political conservatism, imperialism, and racism and to discourage intervention and reform.

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.