Sentence 1 is the topic sentence. other sentences are based on 1 to support sentence 1, elaborating the topic sentence.
Answer:
Rhetoric is: "the ability, in each particular case, to see the available means of persuasion." He described three main forms of rhetoric: Ethos, Logos, and Pathos. In order to be a more effective writer and speaker, you must understand these three terms.
Even tho you didn't post the example I think it's this ^ because I've helped my brother with something similar like this but if it isn't just tell me and I'll be willing to help you if you need it.
The answer to your question is true