Industrial revolution caused dysgenic expansion of the underclass, and ended upward redistribution of reproduction to the upper to middle classes. Postwar immigration rapidly increased dysgenic expansion. IQ is due to advantages of climate, cooperation, isolation, speciation.
Source date (UTC): 2021-09-14 19:48:20 UTC
Original post: https://twitter.com/i/web/status/1437865819480920071
Reply addressees: @EricLiford @auny_marie
Replying to: https://twitter.com/i/web/status/1437864280574070786
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