Classical Macroeconomics Was Dealt Severe Blows By

Multiple Choice

Classical macroeconomics was dealt severe blows by:

A) the Great Depression and Keynes's macroeconomic theory.
B) the Second World War and the writings of Milton Friedman.
C) Adam Smith and his idea of the invisible hand.
D) the strong recovery after the Second World War and Alvin Hansen's stagnation thesis.