How Did Marx Predict the Bourgeoisie Would Cause Its Own

Multiple Choice

How did Marx predict the bourgeoisie would cause its own demise?

A) Eventually, all humans would become bourgeoisie, as robots take over labor tasks.
B) The proletariat will switch places and oppress the bourgeoisie as revenge.
C) The abuses of the bourgeoisie will eventually unite the proletariat against them.
D) A few of the bourgeoisie would seek to profit from funding the demise of the rest.