"it is the object of that system to enrich a great nation rather by trade and manufacturing than by the improvement and cultivation of land, by the industry of the towns rather than by that of the county." what system does the passage describe?

Fallon is on her way to work when she sees a little boy, who is crying and apparently lost. seeing the crying boy makes fallon very uncomfortable and upset. to reduce these negative feelings, fallon stops to the boy find his parents. which theory best explains fallon's behavior?