The Central Thesis of Adam Smith's the Wealth of Nations

The central thesis of Adam Smith's The Wealth of Nations is that economic markets ________.

A) will create greater wealth for society if governments practice laissez-faire capitalism
B) work best in societies with capitalistic foundations
C) are more prosperous under Marxist principles in which the government controls the economy
D) will create greater wealth for society if governments practice Keynesianism economics
E) flourish under any level of government intervention if taxes are low