Of course a civilization that's not as educated would have a lower iq. Civilizations adapt and as they become more developed, they will become smarter. No civilization has been at the top just because they are permanently genetically better than others, they just had providence on there side to make more advancements and therefore raise their iq.
Africans having a lower iq has to do with not having the circumstantial luck to become more developed, it doesn't have to do with them being permanently genetically dumber.
Of course a civilization that's not as educated would have a lower iq. Civilizations adapt and as they become more developed, they will become smarter. No civilization has been at the top just because they are permanently genetically better than others, they just had providence on there side to make more advancements and therefore raise their iq.
Africans having a lower iq has to do with not having the circumstantial luck to become more developed, it doesn't have to do with them being genetically dumber.