Thank you to all that came in this winter coldness. You were all very brave to have come to....
Answer:
The main idea of this paragrph is the concept of medium of exchange.
Explanation:
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It’s his imagination. this is the point in the story where macbeth is starting to experience paranoia (and almost insanity). banquo’s “ghost” is a creation from macbeth’s conscience that is sending a message that macbeth maybe shouldn’t have killed him.