At some point you simply must do your own research.
Origin of the Species was published in 1859 while the Communist Manifesto was published in 1848. Do you see how that confounds your construction above?
Marxism precedes Darwin's theories, so Marx's theories cannot possibly be the foundation of an as yet unpublished theory.
When you suggest a causal relationship between two things, it is useful to check their temporal relationship as well.
Marxism precedes Darwin’s theories, so Marx’s theories cannot possibly be the foundation of an as yet unpublished theory.
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Oops. So Darwin’s theories, as yet unpublished, cannot provide the foundation for an already existing theories.
Mea culpa.
See my reply above. You evolutionists are being disingenuous in pretending that evolutionism starts in 1859 with Charles Darwin. Indeed, you are all too happy to point out that it precedes him when it suits your purposes, so don't try to deny it now.