[–] udo 0 points 5 points 5 points (+5|-0) ago (edited ago)
DNA. It might have populations with a tiny bit of Neanderthal DNA.
Probably whites , arabs, and asians caught up in the mix. wikipedia also mentions Europeans, Lebanese, Pakistanis, and Indians
18 ethnic groups in that nation, including descendants of 60,000 evicted freed slaves from :
1 > Great Britain , with white admixture
2 > North America (Caribbean, pre-usa, etc) , with white admixture
3 > High Seas returned slaves (no admixture)
4 > 1.2% creole !!!! Freed Jamaican slaves creole (creole are not pure black)
5 > In 1792 part-black Canadians, over 1200 of them, left Canada and brought their enhanced IQ genes to Sierra Leon !!:
This page says regarding the canadian 1792 settlers: "As was common for African Americans, many had some Native American or European ancestry" far higher IQs :
https://en.wikipedia.org/wiki/Nova_Scotian_Settlers
source : https://en.wikipedia.org/wiki/Demographics_of_Sierra_Leone
[–] Tallest_Skil 0 points 1 point 1 point (+1|-0) ago
Same reason as Liberia: lots of former slaves from the Americas, who have European admixture.
[–] Infearmal ago
80 is the estimation if they were fed enough to develop properly.