What Was the Central Idea of Adam Smith's Writings

Multiple Choice

What was the central idea of Adam Smith's writings?

A) Adam Smith thought mercantilism was the key to national wealth.
B) He suggested that absolutely no government interference with business was optimal.
C) Adam Smith advocated for more education for the consumer.
D) He supported as little government intervention in business as possible.
E) He wanted an increase in the variety of goods and services available to the public.