The term that is most closely related to persuasion is:
D. rhetoric.
Explanation:
Rhetoric concerns the study and use of language as a means of communicating and evoking emotions, entertaining, and persuading. As a matter of fact, a person's rhetoric is often complimented when that person has great ability to persuade others. Great masters of rhetoric, such as Winston Churchill, were skilled at using words and figurative language to convey meaning as well as to convince their audience of their point of view. For that reason, among the options given, letter D is the best one.
