In the excerpt from walking with the wind : A memoir of the movement,the figurative language that is used as an implicit persuasive device would be : The Revolution is at hand, and we must free ourselves of the chain of political and economic slavery. This sentence persuade the listeners to join the revolution.Hope this helps
        
                    
             
        
        
        
The answer is allegory, since allegory is a rhetorical device that convey hidden meanings through symbolic figures in a literary piece which create the meaning the author wants to portray. It is in a form of story or poem and the meaning could be political or moral, depending on the author's true meaning.