What is the purpose of a metaphor in a written work ?

Read the excerpt below from "letter from birmingham jail" and then answer the question below: "my citing the creation of tension as part of the work of the nonviolent resister may sound rather shocking. but i must confess that i am not afraid of the word "tension." i have earnestly opposed violent tension, but there is a type of constructive, nonviolent tension which is necessary for growth. just as socrates felt that it was necessary to create a tension in the mind so that individuals could rise from the bondage of myths and half truths to the unfettered realm of creative analysis and objective appraisal, so must we see the need for nonviolent gadflies to create the kind of tension in society that will men rise from the dark depths of prejudice and racism to the majestic heights of understanding and brotherhood." how does king's repetition of the term "tension" impact the meaning of the text? question 5 options: dr. king says that he is afraid of the word tension and he doesn't think it is necessary. dr. king repeats the word tension to explain how he sees the word as a negative force that discourages change. dr. king repeats the word tension unintentionally, and it doesn't impact the meaning of the text. dr. king repeats the word tension to support how he views the word tension as positive and growth-producing.

Read the excerpt from act 1, scene 3, of julius caesar. cassius. am i not stayed for? tell me. cinna. yes, you are. o cassius, if you could but win the noble brutus to our party— cassius. be you content. good cinna, take this paper and look you lay it in the praetor’s chair, where brutus may but find it. and throw this in at his window. set this up with wax upon old brutus’ statue. all this done, repair to pompey’s porch, where you shall find us. is decius brutus and trebonius there? cinna. all but metellus cimber, and he’s gone to seek you at your house. well, i will hie, and so bestow these papers as you bade me. cassius. that done, repair to pompey’s theatre. what is cassius’s motivation for sending brutus the letter? cassius wants to make sure that cinna is on his side. cassius wants to reassure cinna that brutus will follow them. cassius wants to sway brutus to kill caesar. cassius wants to alert brutus about the conspiracy against him.

The harlem renaissance dawned in an era of pervasive racism and segregation. although legally "free," many african americans were still bound by ideas that had their roots in the slavery of earlier centuries. identity and freedom are important ideas presented in many of the poems from the harlem renaissance. furthermore, the values of identity and freedom are not unique to particular times and places. as hughes expresses in "dream variations," all humans want to be able to develop their identities in freedom. what role does freedom play in the poems you read in this unit? what is required of a society to enable each individual to be true to his or her identity and be free to live by that identity? write about at least three of the poems, describing how the poet uses imagery to depict freedom and identity, the lack of it, or the desire for it.