A because they are always needed in every situation.
It would be described as Battle of the Atlantic, in World War II, a contest between the Western Allies and the Axis powers (particularly Germany) for the control of Atlantic sea routes. For the Allied powers, the battle had three objectives: blockade of the Axis powers in Europe, security of Allied sea movements, and freedom to project military power across the seas.
Some Africans captured in wars were sold to European traders by other Africans. Many were captured but died of disease or starvation before arriving. The Transatlantic slave trade profoundly diminished Africa’s prospective to develop economically and uphold its social and political stability.
Socially, the biggest impact the Trans-Atlantic slave trade had on West Africa was a decrease in their population.
They stettled in and yeah.