To convey his ideas and achieve his purpose, chief joseph uses
a. colloquial language and complex sentences
b. elevated diction and dialogue
c. difficult words and long sentences
d. repetition of key words and parallelism

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?