It allows him to hear the war drum that forces him to kill. The acute silence makes the narrator so uncomfortable, he must make the old man scream. The narrator thinks that only killing the old man will make all of the surrounding noises disappear
D. to establish a uniformity of presentation that enhances communication
I'd say it was D or the last choice. It makes most sense to me.
So much is at stake in writing a conclusion. This is, after all, your last chance to persuade your readers to your point of view, to impress yourself upon them as a writer and thinker. And the impression you create in your conclusion will shape the impression that stays with your readers after they've finished the essay.
-"come to a time when no one dared speak his mind"
this is the right answer because animal farm was based after Soviet Russia which burdened the citizens because they could not express themselves because every aspect of life in a communist country is under government rule.
