Question

In Harriet Tubman: Conductor on the Underground Railroad, which rhetorical appeal is Tubman using when she tells the runaways about her own experiences to gain credibility?

Answer 1

Harriet Tubman uses ethos to have the readers trust her and it helps make her an author you can trust.  Ethos is when an author tries to convince the reader that they are a reliable source. So she uses ethos for her rhetorical appeal.
Hope that helps

Answer 2

The rhetorical appeal used by Harriet Tubman: Driver in the underground railroad, is Ethos. Distinctive Because she is establishing her own credibility to her audience. She uses her own knowledge as a tool. While they were walking she told them stories about her first flight.