Third, I would like to know your source regarding the African Slave Traders, and also you missed the Portuguese.

FORBES: The free flow of talent

Though most were anti-slavery, the explorers, or missionaries as Mr Sattin calls them, were often forced to co-operate with slave traders.

ECONOMIST: African exploration

P.s allied with the plantation owners and slave traders one more time.

NEWYORKER: Free Spirits

The African ancestors of the Moore Town Maroons were forcibly removed from their native lands to the Caribbean by Spanish slave traders in the sixteenth and seventeenth centuries.

UNESCO: Intangible Cultural Heritage

Several buildings in Odessa are adorned with reliefs of two young girls with nooses round their necks: they hanged themselves, legend has it, after falling prey to white-slave traders.

ECONOMIST: A hub of the modern slave trade

He is a devotee of Santeria, the Yoruba-based religion that slave traders brought form Nigeria to Cuba in the eighteenth and nineteenth centuries, and regularly plays at ceremonies in homes in the Bronx and Brooklyn.

NEWYORKER: Beat Happening

Though a few African kings and European traders refused to join in the slave trade, Europe took 300 years to reject it.

ECONOMIST: Millennium issue: Slavery