The explanation I read about why sub-Saharan countries have such low average IQs is that the historical tribalism led to untold generations of inbreeding. And compounded by childhood malnutrition from growing up in low-IQ societies.
14 posted on 09/23/2023 5:06:51 AM PDT by MtnClimber
(For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)