The authors use rhetorical devices to increase the credibility of the essay. This is the most correct answer of all those mentioned because it directly corresponds to ethos, the rhetorical appeal to credibility.
I believe you mixed the question with these answers, because the word broached doesn't refer to any of these answers - first of all, it is a verb, and all of the options are nouns.
The meaning of this verb is <span>made a way into.</span>
Answer:
Rhetoric is the study and art of writing and speaking well, being persuasive, and knowing how to compose successful writing and presentations. Rhetoric teaches us the essential skills of advanced learning and higher education.
IMPPRTANCE:
Rhetoric gives you a framework to think critically about your writing and reading choices. Knowing how to use the tools of rhetoric can improve your communication and can help more people to agree with your perspective.
Hey there!
The answer you are looking for is C.
Hope it helped!