Out of all the commodities in the atlantic world, which proved to be the most important per the textbook
corn
sugar
wheat
rye

Based on the given choices, I think the answer is sugar. Sugar had been the top priority in the Atlantic Economy. In addition to this, slaves were also a top commodity in Europe. The high demand for sugar started even in the 16th century. 

I hope this had helped you with your problem.

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.

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.