Why do you think there is no data prior to 1600 showing slave inportation into the americas?

The European slave trade began with Portugal’s exploration of the west coast of Africa in search of a sea trade route to the East. The East had bountiful new resources, like spices and silk, and the Portuguese were eager to acquire these goods without the laborious journey by land from Europe to Asia.

In 1482, Portuguese traders built Elmina Castle in present-day Ghana, on the west coast of Africa. Originally built as a fortified trading post, the castle had mounted cannons facing out to sea, not inland toward continental Africa. The Portuguese had greater fear of a naval attack from other Europeans than of a land attack from Africans.

Although the Portuguese originally used the fort for trading gold, by the 16th century they had shifted their focus to trading enslaved people, as the demand for slave labor ballooned in the New World. The dungeon of the fort morphed to served as a holding pen for Africans from the interior of the continent. On the upper floors, Portuguese traders ate, slept, and prayed. Enslaved people lived in the dungeon for weeks or months until ships arrived to transport them to Europe or the Americas. For them, the dungeon of Elmina was their last sight of their home continent.

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