What, according to Adam Smith, is the best way to promote collective interest?

Q. What, according to Adam Smith, is the best way to promote collective interest?

A.            Through government making decisions about what is in the public interest

B.            Through everyone working together to support each other

C.            Through everyone working on their own self-interest

D.            Through individuals forgoing their personal interest for the good of the collective

Answer: Through everyone working on their own self-interest