You must have missed the memo. The Portuguese, Dutch, Spanish and English slavers invaded Wakanda and stole all of their advanced technology to build Western Civilization.
After that they murdered all of the African scientists who were first tortured to reveal their secrets, and burned the Library of Alexandria so no one but white folks could ever know or learn what the white devils had stolen.
Next, The 1619 Project.
Zimbabwe VP blames colonisers for not teaching locals how to run economy - Blame The White Man!