Why might an author choose to repeat a word in such rapid succession?

In these frames, the author emphasize the challenges lqbal faced by showing

How might a reader find tables, charts, and graphs useful

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