How did job specialization appear in aztec civilizations?

How did job specialization appear in Aztec civilizations?  

 According to Aztec Jobs"The Aztecs had various jobs and roles in society to perform that kept their great empire functioning. From the noble job of an Aztec priest who would have to sacrifice others to the gods as part of their role, to the simple but hard working Aztec farmers. Gender, economic class, talent and lineage often dictated the Aztecs jobs and their role in life."

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.