Discuss how both Boo Radley and Tom Robinson could be mockingbirds of the story and how does it connect to Atticus's sage advice "Is is a sin to kill a mockingbird"?

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