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A Long and Illustrious History

What was Adam Smith's famous contribution to human thought?

AHe developed the groundbreaking scientific theory of evolution by natural selection
BHe developed the theory of free market economics in "The Wealth of Nations"
CHe invented and built the first practical and commercially successful steam engine
DHe first described and mathematically proved the universal theory of gravity

Explanation

Adam Smith was a Scottish economist who wrote "The Wealth of Nations" (1776), which developed the theory of free market economics. He is considered the father of modern economics.

hardadam smitheconomicswealth of nations

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