Answer:
Stevenson's reason for beginning the chapter with this paragraph is to create interest in the reader. By mentioning the still undiscovered treasure and the arrival of a mysterious character in the narrator's life, Stevenson captures the reader's attention and entices them to continue reading. This introduction sets the stage for an exciting adventure and creates anticipation for what is to come in the story. The mention of the Admiral Benbow inn and the brown old seaman with the sabre cut adds an element of intrigue and mystery, making the reader curious about the events that will unfold. Overall, Stevenson's goal is to engage the reader from the very beginning and draw them into the world of Treasure Island.
Step-by-step explanation: