Why are rhetorical strategies effective and useful?

The rhetorical strategies are effective and useful because the strategies it provides enable an individual to attract and persuade the audience in which is a way of helping their audience to understand the argument or information that they are to provide.

what group of people depend on what yoy are talking i will still you once you tell me what group of people you are talking about : )

i think i know what group you are talking about so the brahmins