How is charlie a wallflower and how does this idea relate to the title of the novel?

How does kennedy’s word choice affect the tone and meaning of this excerpt from the passage? while the wall is the most obvious and vivid demonstration of the failures of the communist system, for all the world to see, we take no satisfaction in it, for it is, as your mayor has said, an offense not only against history but an offense against humanity, separating families, dividing husbands and wives and brothers and sisters, and dividing a people who wish to be joined together.

Read the excerpt from warriors don't cry. as we approached behind them, we could see only the clusters of white people that stretched for a distance of two blocks along the entire span of the school building. my mind could take in the sights and sounds only one by one: flashing cameras, voices shouting in my ears, men and women jostling each other, old people, young people, people running, uniformed police officers walking, men standing still, men and women waving their fists, and then the long line of uniformed soldiers carrying weapons just like in the war movies i had seen. which words create the mood in the excerpt? check all that apply.

Which revision of this sentence best uses direct characterization?