The titles Karl Marx used to describe the two classes in society were the ________ and the ________.
A)	nobles; peasants
B)	bourgeoisie; proletariat
C)	upper class; lower class
D)	civilized; barbarians
Answer:B
The titles Karl Marx used to describe the two classes in society were the ________ and the ________.
A)	nobles; peasants B)	bourgeoisie; proletariat C)	upper class; lower class D)	civilized; barbarians