Read the excerpt from harriet tubman: conductor on the underground railroad. she started talking about william still and the philadelphia vigilance committee. no one commented. no one asked any questions. in this excerpt, which rhetorical appeal is tubman attempting to use to convince people to continue? ethos, because she is using her own knowledge as a tool. pathos, because she is appealing to her audience’s needs. ethos, because she is appealing to their emotional needs. pathos, because she is using facts to convince her audience.