They can help strengthen a point as long as the question is then enforced. They help to convince the listener since usually even thought it's not said we usually think yes in our head after hearing a rhetorical question.
Communicators who utilize a powerful style are considered more competent and attractive, while communicators that utilize powerless communication are seen as victims.
Answer: Old master provide evidence that the author was enslaved.
Explanation: My explanation is that he also said he had to run errands and only had little time to enjoy thr life they had.