Which of the following is a call to action? Students should not be required to spend so much money on textbooks. Please contact your local representative to voice your support. What can we do about this problem?

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