They used to tell me i was building a dream, and so i followed the mob— when there was earth to plow, or guns to bear i was always there—right on the job. which best restates the main idea of these lines?

the correct answer is c. analytical reasoning. it is when you analyze the situation to form conclusions.

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.