Adam Smith's the Wealth of Nations Argued That

Adam Smith's The Wealth of Nations argued that

A) countries should make laws to maximize their exports and minimize their imports.
B) countries should try to accumulate as much gold and silver as possible.
C) countries should conquer other territories and obtain colonies to increase their wealth.
D) countries should allow the unrestricted functioning of the free economy,which would ensure the pursuit of private interests,and,by result,public interests.
E) real wealth is not money,but knowledge.