The decline or weakening of Mesoamerican civilizations can be attributed to two "natural" causes in addition to deliberate attacks by Spanish invaders. What were these two causes? Select one:

a.

overpopulation and lack of domesticated animals

b.

lack of agricultural skill and loss of fertile farmland

c.

floods and an earthquake

d.

infectious diseases and drought

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.