Final answer:
The question is about the African kingdoms of Ghana, Mali, and Songhai in History.
Step-by-step explanation:
The subject of this question is History. The three African kingdoms being referred to are Ghana, Mali, and Songhai. These kingdoms flourished during the medieval period in West Africa. They were known for their rich culture, economic prosperity, and powerful rulers.
For example, Ghana was a major trading hub and controlled the lucrative gold-salt trade route. Mali was known for its famous ruler Mansa Musa and the city of Timbuktu, which became a center of Islamic learning. Songhai, the largest of the three, had a powerful military and expanded its territory through conquest.
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