Socialism is in principle indistinguishable from slavery. The only difference is one of degree.
"in principle indistinguishable" is putting it highly euphemistically; let's call a spade a spade: Socialism IS slavery. Under traditional slavery, the fruits of someone's labour are taken by force and given to someone else. Under socialism, the fruits of someone's labour are taken by force and given to someone else.
I wonder sometimes if it's more than just coincidence that the rise of modern socialism appeared after the fall of "traditional" slavery; perhaps it's the same human instinct (i.e. to unfairly subjugate the labor of others to one's own benefit at the expense of the other) merely being expressed in a different form. (Free market capitalism isn't 'unfair subjugation of labour' in that it's mutually voluntary, mutually beneficial, free of force, and the terms of exchange are negotiated ... none of these are true for either socialism or old-style slavery.)
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