What is the main purpose of an introductory paragraph?

Which of the following is an example of an author’s purpose for using first-person point of view?

Which of the following is a primary theme in harrison bergeron

Your denunciation of tyrants brass fronted impudence; your shout of liberty and what is the meaning of denunciation as used in this sentence? a) excessive self-assurance b) to deceive, delude, or disappoint c) a ruler who governs without restrictions d) to condemn or censure openly or publicly