Karl marx advocated the overthrow of the by the workers, whom they oppressed.

The answer is Bourgeoisie. Karl Marx advocated the overthrow of bourgeoisie by the workers whom they oppressed. This is found in Marx's book called The Communist Manifesto. For Karl Marx, it has always been about the class struggle between the oppressed and their oppressors. 

True is the correct answer

What biome? i can just which