Which statement best describes how the passage is primarily organized?

Passage Organization
Comparison and contrast structure: outlines the differences between modes of commerce
Process and sequence structure: outlines the steps by which the canal was constructed
Cause and effect structure: outlines the reasons the canal became significant
Problem and solution structure: outlines the challenges that were met by constructing the canal

explanation:

if you’re a fan of chocolate, every occasion is right for this treat. feeling down? eat some chocolate. celebrating? eat some more. want to show your valentine how special you think your sweetheart is? offer up chocolate!   people have been enjoying chocolate as a food, drink and medicine for thousands of years. the ancient maya and aztecs called chocolate kakaw and used it as medicine. they also made chocolate offerings to their gods. chocolate comes from the cacao (kuh-kow) tree, and its scientific name reflects its history. theobroma cacao translates to “cacao, food of the gods.” these days, chocolate is not just for deities. the treat has become popular around the world.

b and d

explanation: