So there it is, science and DNA confirm that race and intelligence are connected.
This is why Africa has remained so poor and corrupt. The IQ levels of the black Africans are considerably lower than other races.
Liberia is a perfect example of an uncolonised African country, it's like hell on earth.
Wherever their numbers increase, standards will become closer to that of the typical collapsed and failed state in Africa or the Caribbean, like Haiti where they control the government.