Which of the sentences below best expresses the essential information in the highlighted Sentence in the passage? Incorrect choices change the meaning in important ways or Leave out essential information. A. Tribespeople were comfortable forming personal relationships with merchants, Who, like them, were bound by their promises to one another. B. Because trade was not formally regulated, merchants were careful about whom they trusted and often conducted business with people they knew personally. C. While trade among merchants relied somewhat on regulation, among tribes people trade was based on personal relationships and careful character evaluation. D. Because tribespeople were bound only by their promises to one another, personal relationships were formed only after careful weighing of character.