<span>For over two hundred years, the reason for New England's Dark Day was unknown.
This represents the main idea because it lets the reader know that the passage is talking about a "Dark Day", where it happened (New England), and the fact that for over two hundred years it was a mystery. It also gives an indication that the mystery will have been solved by the end of the passage. </span>
Answer:
Hi!
The answer you are looking is <em>to foreshadow the tragedy. </em>
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Explanation:
The purpose of this dialogue is to foreshadow the tragedy that happens in Romeo and Juliet. By introducing the sword and having the characters talking about it, the writer introduces suspense and leaves people wondeing if that sword will cause damage.