The "reserve army of the unemployed" was a term coined by

A) Adam Smith
B) John Maynard Keynes
C) Thorstein Veblen
D) Karl Marx
E) Milton Friedman

Reserve Army

Reserve army typically refers to a body of trained citizens held in readiness as a military force to be called upon in specific circumstances, but in Marxist theory, it also denotes the surplus labor available for capital exploitation.

Unemployed

Individuals who are without a job and actively seeking work.

Coined

Typically used to describe the creation of a new word or phrase, or the act of making coins.