Answer:
It helped the major empires of Africa providing different things like food and water.
Step-by-step explanation:
The Inner Niger Delta is the inland delta of the Niger River. It is an area of fluvial wetlands, lakes and floodplains in the semi-arid Sahel area of central Mali, just south of the Sahara desert. (I've only said the word for educational purposes, I am not using the word towards anyone.).