Respuesta :
Jefferson used ethos as a rhetorical appeal: by establishing the source of the representatives’ authority.
Ethos is a rhetorical appeal that references the credibility of a speaker. This means that the speaker establishes the fact that he has a right to speak on the subject matter by virtue of his authority.
In this speech, Jefferson mentioned the fact that the representatives were from the United States of America.
This established their rights to speak on the matter. So, option A correctly shows how Jefferson used ethos as a rhetorical appeal.
Learn more about Ethos here:
https://brainly.com/question/11868443
Answer: it's a.
Explanation: by establishing the source of the representatives’ authority
hope this helped <3