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- Slavery--Africa--History (2)
- African diaspora--History (1)
- Benguela (Angola)--Economic conditions (1)
- Benguela (Angola)--History (1)
- Benguela (Angola)--Social conditions (1)
- Slave insurrections--Africa--History (1)
- Slave trade--Economic aspects--Africa--History (1)
- Slave trade--Environmental aspects--Africa--History (1)
- Slave trade--Political aspects--Africa--History (1)
- Slaves--Amazon River Region--History (1)