To streagthen or prove an argument, anylize or idea by providing facts

this answer was editing it cause i couldn't delete!

answer; /// i do believe the correct answer is (c) public education;

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.

i think it is d tell if im wrong