Not 100% sure but i think the answer is so
False. While the author can include his opinion, this shouldn't happen very often, as in a research paper, you are supposed to mainly be stating facts.
The description that would improve the setting in the passage above best is "Eating dinner one chilly evening, my master and I...". Because it will set the mood of the retelling of his master's story.
Answer:
because a jury is needed for the court to make its final ruling because they need as little bias in the system as they can get so they have the jury system