PLS HELPP only if you know the answer

Which line would support the answer to the question of why malcom and donalbain feel they need to leave scotland

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?

What are some important decisions that donald trump did to society good or bad while in power