Does someone wanna talk?

Match the audience to the description of each speech

Which best identifies the figurative language used in this passage? cannon to right of them, cannon to left of them, cannon in front of them volley’d and thunder’d; storm’d at with shot and shell, boldly they rode and well, into the jaws of death, into the mouth of hell rode the six hundred.

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?