Kuderera kwezviyo zvomusango kunotungamirira kukudyarwa kworudzii rwembeu?
Context:Munenge muna 4000 B.C.E., mamiriro okunze eSahara akatanga kuoma nokukurumidza zvikuru. Kuchinja kwemamiriro okunze uku kwakaita kuti nyanza nenzizi zvidzikire zvikuru uye kwakaita kuti nyika ive renje. Izvi zvakaderedza nzvimbo yaikodzera kuti vanhu vagare uye zvakaita kuti vanhu vairima vatamire kunzvimbo dzinopisa dzokuWest Africa. Mumireniyumu yokutanga B.C.E., kuderera kwezviyo zvomusango zvine chokuita nokuchinja kwemamiriro okunze kwakaita kuti vanhu varime uye nokukurumidza vatange kurima mupunga munharaunda dzakapoteredza Rwizi rweNiger.
Kuderera kwezviyo zvomusango kunotungamirira kukugamuchirwa nokukurumidza kwokurima mupunga munharaunda yoRwizi rweNiger.