Who is the author of book named “Wealth of Nations”?

A. Adam Smith
B. John Locke
C. Smith Kline
D. None of these

Brief facts about this MCQs:

This book was written on March 9, 1776. This book was about the ‘Wealth of Nations. This boom was about an inquiry into the nature and reasons of the Wealth of Nations. Adam Smith was a Scottish Scientist and Philosopher.