The 1453 conquest of constantinople is an important turning point in global history because it (1) ushered in pax romana (2) began the middle ages (3) contributed to the rise of the ottoman empire (4) signified the end of the napoleonic wars

It contributed to the rise of the Ottoman Empire. When the Byzantine Empire ended, the Ottomans received a strong trade port affecting Mediterranean-black sea trade zones.

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.