Answer: A) to create sympathy for enslaved workers.
Explanation: In the given excerpt from "Sugar Changed the World" we can see how the speaker describes how the enslaved workers, after working on the field, they returned very tired to rest in damp places, where they were exposed and contracted many disorders. From this information, we can see that the primary purpose of the given passage is the corresponding to option A: to create sympathy for enslaved workers.
