Step 1: Understanding Adam Smith’s concept.
Adam Smith, known as the father of modern economics, introduced the concept of the “Invisible Hand” in his book *The Wealth of Nations*. He explained that individuals pursuing their own self-interest unintentionally contribute to the overall benefit of society through market mechanisms.
Step 2: Analysis of the options.
(A) Invisible benefits: Incorrect. This is not the term used by Adam Smith.
(B) Invisible labour: Incorrect. Labour is a factor of production but not the term he used.
(C) Invisible hand: Correct. This is the famous term used to describe market forces.
(D) Invisible wealth: Incorrect. This is not a recognized concept by Adam Smith.
Step 3: Conclusion.
Adam Smith called the forces that regulate the market system the “Invisible Hand”.