Answers are grounded in this paper and cite their sources.
The origins of the Bolshevik vision:Love unfettered, women freeIt is a curious fact that with every great revolutionary movement the question of "free love" comes into the foreground.Frederick Engels, 1883 1 [The family] will be sent to a museum of antiquities so that it can rest next to the spinning wheel and the bronze axe, by the horsedrawn carriage, the steam engine, and the wired telephone.
No takes yet. Share an insight, caveat, or question.
Engelstein et al. (1995) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: