In the autobiography Long Walk to Freedom, Nelson says, “He had planted a seed, and though I let that seed lie dormant for a long season, it eventually began to grow.” What does this mean? I really need this

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