Your school books were written or funded by Jews, to spread anti-White propaganda.   Arab slavers and various cannibal warlords in the area cut the hands off their victims, and their cruelty was part of the reason why the Belgians were given control of the Congo.   King Leopold II then formed the Congo Free State to civilize the territory, which generally meant stamping out those who were doing this.   It took time for the Belgians to cover and civilize the huge territory, but eventually they succeeded and this horrific practice was stamped out.   Read this: https://x.com/Will_Tanner_1/status/1935380391289815261