In a persuasive speech, the speaker aims to convince the audience to accept a particular perspective on a person, place, object or idea. The speaker strives to cause the audience to accept the point of view presented in the speech.
The purpose of a persuasive text is to convince the reader that a certain stance is better or to change their own perspective and to adopt the one that is being proposed. While this may be achieved through facts, evidence, statistics, anecdotes and expert opinions — how this information is conveyed is also very important. This is where modality comes in!