>some primates discover evolution in 1800s
>intellectuals begin studying human intelligence and how it can be increased through eugenics
>religious antisemite takes over central europe and begins exterminating the smartest ethnicity among homo sapiens.
>eugencis becomes a taboo topic of discussion, now all races have the same intelligence, women and men are now the same, blacks and whites also must be the same, everybody is now exactly the same and the word intelligent or stupid becomes politically incorrect.
>lower classes breed rapidly and dysgenic effects decreases human intelligence , humans get really stupid after several centuries of dysgenics, ashkenazim go extinct from interbreeding with goyim.
nigs go apeshit and become majority on every continent humans return to tribal state for the remainder of their existence.
(this is why we need to utilize eugenics to increase human intelligence, to a PhD level where a PhD will become mandatory public education)