I believe this all depends on the situation, but I'm leaning towards
"To bring about an emotional response as a rhetorical strategy as the best means for conveying critical information." (Or the 2nd one)
After Tom Sawyer witnesses the murder of Doctor Robinson and the framing of Muff Potter, Huck Finn overhears Injun Joe plotting the mutilation of Widow Douglas. Towards the end of the book, Tom sees Injun Joe inside the cave, but Injun Joe is unable to see Tom's face.
Answer:
The Exposition
Explanation:
The exposition is where the setting is and who the characters are.
