Some parts of Africa had plenty of water, but others never had enough water. Some places had enough water in good years but not in bad years. The amount of water made a big difference to how the scenery looked, and also to how many people and animals could live there. People needed a lot of water to grow their crops so they could eat. A lot of bad droughts in a row could have made a mighty kingdom collapse.
In most of Africa, the rain came from the same place as the Indian monsoon, off the Indian Ocean. When there was a good year, lots of rain came.…
