What Did Karl Marx Argue

What did Karl Marx argue?

A) that a classless society would emerge when capitalism triumphed around the world.
B) that individual economic theories were only as effective as those who practiced them.
C) that workers who knew they would be given a competitive wage would be the most loyal to a company.
D) that capitalists would eventually bring about their own destruction by driving impoverished workers to revolt.
E) that only be introducing Biblical principles in the workplace could their was harmony between business owners and their workers.