i have everything done besides the questions can someone me

what are the main ideas?

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.

thinking about things and referring to books instead of acting on superstition and gossip.