Answer :
"The proletarians have nothing to lose but their chains." was said by (b.), Karl Marx
The founder of Communism that said the above in the nineteenth-century, was B. Karl Marx.
Who was Karl Marx?
Karl Marx was known as the founder of Communism thanks to his publication of The Communist Manifesto and other works.
In this work, he called the proletarians (working class) a people that had nothing to lose bu their chains if they rose up against the ruling class.
Find out more on the Communist Manifesto at https://brainly.com/question/15135900.
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