What type of narrator has full knowledge of all characters not just one

How is reading a social experience? (5 points)

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?

Why does the author of exploring the titanic give background information about his youth and education? to show his lifelong love for the ocean