Answer:
Persuasive
Step-by-step explanation:
Public discourse is one of the main modalities of the art of oratory; when you talk about a subject of the utmost importance to humanity to many people confined to a room or outdoors. Making public speeches is a must for leaders and politicians who must persuade the public so that their ideologies and the concepts advocated by them are adopted and supported by the population.
In short, we can say that public discourse is a persuasive text, since the central idea is to influence people to accept spoken content as a truth that must be followed.