I would say B: Paragraph 3
This would be a good place to place a counterclaim where your claim is "Immigrant contribute to the US economy" so you can show your unbiased and state "Yeah they effect our economy but sometimes in a bad way as they can drain us of our resources and negatively affect it"
The narrator is part of the Usher family and is the last of that family.
The best answer is:
He is now insecure of his position as king
hope this helped :)