The options you provided do not include any historically significant African kingdoms. However, notable kingdoms in Africa include:
- Mali Empire - Known for its wealth and the famous city of Timbuktu.
- Ghana Empire - An early and influential West African kingdom.
- Songhai Empire - One of the largest empires in African history.
- Kingdom of Aksum - An important trading empire in what is now Ethiopia and Eritrea.
- Great Zimbabwe - Notable for its impressive stone ruins and trade networks.
If you are looking for a specific term to fill in the blank, it may be better to refer to one of these or provide more context regarding the question.