Final answer:
The rhetorical appeal demonstrated in the excerpt is ethos, where Sojourner Truth uses her personal experiences and accomplishments to establish credibility and trustworthiness.
Step-by-step explanation:
The rhetorical appeal demonstrated in the excerpt from Sojourner Truth's speech is ethos. Ethos refers to the use of credibility and trustworthiness to persuade an audience. In this speech, Sojourner Truth utilizes ethos by highlighting her own personal experiences and accomplishments as a woman, a freed slave, and a mother.
She emphasizes her strength and resilience, describing how she ploughed, planted, and gathered crops, and how she withstood the lash of slavery. By sharing these personal details, she establishes herself as a credible and powerful voice in advocating for women's rights.
Furthermore, she challenges the prevailing societal norms that men are stronger and more deserving of assistance than women. Sojourner Truth's use of ethos in this speech effectively appeals to the audience's sense of credibility and trustworthiness, making her argument for women's equality more persuasive.