2. list the two strategies for organizing reports

Two main strategies for organizing reports are:

1. Use appropiate headings

By using appropriate headings in their reports, writers are more likely to address their readers' needs for information and makes writing tasks easier and reports more complete.

2. Develop each heading point with appropriate and understandable language.

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.