Karl Marx wrote: A. The Wealth of Nations, which described the virtues of market-based economies. B. Das Kapital, which was used as the rationale for centrally-planned economies. C. Das Kapital, which described the virtues of market-based economies. D. The Wealth of Nations, which provided the rationale for centrally-planned economies.

Das Kapital, which was used as the rationale for centrally-planned economies.

Explanation: Karl Max born May 5th 1818 an economist, historian, sociologist, political theorist, etc is the author of the book, DAS KAPITAL. The book is a foundational theoretical text in materialist philosophy, economics and politics which seeks to  proposes that the motivating force of capitalism is in the exploitation of labor. The book was a success and was used as the rationale for centrally-planned economies.

the correct answer is a