What is critical thinking? why should we care?

The development of new inventions in the field of space travel seemed rapid. how does the word rapid function in a sentence?

In this example, what does the author use to describe laurie

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