The can create the mood through tone, word usage, personification, and metaphors
If you're talk about "The Circuit" from the Classics of young readers from Volume 6, then it's unity and teamwork..
I v=believe the answer you're looking for would be Conjugative Verb
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.
