A prepositional phrase is a phrase that contains the following types of words:
A preposition, that are function words used to link nouns, pronouns, or phrases to other words within a sentence. Examples of prepositions are <em>without, in, up, after, before, at, with, for, through.</em>
The object of the preposition, like nouns, pronouns, gerunds, etc.
And one or more than one modifiers of the object (Sometimes, not always), such as "a" and "the".
So, "without a coat" is a prepositional phrase because it has all those elements: It has the preposition "without" that indicates the absence or lack of something ("a coat"), it has the object of that preposition which it's "coat", and it also contains a modifier of that object which it's "a"
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
