The Nile River is a natural geological feature that has existed for millions of years, formed by tectonic activity and climatic shifts long before human civilization emerged. It has not been "changed" or created by African people or any other group.
While Africans (and other peoples) did not create the river, they have interacted with it profoundly for millennia. Ancient Egyptian civilization, Nubian kingdoms, and countless other cultures relied on the Nile's annual floods for agriculture, transportation, and sustenance. In modern times, large-scale engineering projects like the Aswan High Dam have significantly altered the river's flow, sediment distribution, and ecology—but these are recent developments in the river's vast history.
The Nile remains a vital natural resource shaped primarily by natural forces, with human influence being a relatively recent chapter in its long story.