"if you'd be wealthy, think of saving, more than of getting."

this maxim/aphorism from poor richard's almanac best reflects the
virtue of?

a. silence
b. order
c. chastity
d. frugality

im not sure about this one

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate. 

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.

the puthmans reverned parris danford and harthone