The slave trade was exactly that - a trade, and it was far more extensive than the taking of Africans to north America. Indeed slavery was evident in Biblical times and has been ever since, while the slave trade as we know it did not begin until 1564. Wars between African kingdoms and tribes provided a rich supply of prisoners to be traded with whoever wanted to trade. Slavery was not considered abnormal and was as normal as children having to work. Attitudes can and do change in the face of events and in the UK slavery was ruled by the courts to be unlawful on the UK mainland in the 1770s, the conditions of passage provoked a reaction and the transportation of slaves was banned in 1807 by us and slavery abolished in the British empire in the 1830s. Of course it continued and even thrived elsewhere. But the idea that the slave trade was ever a simple matter of whites pillaging Africa is nonsense: Africans had been trading slaves for many centuries before white Europeans arrived on the scene and continued long after the law put a stop to it. Indeed it continues to this day. So the answer to your question is "very probably".