When was height of the african slave trade?
a.1660-1810
b.1660-1910
c.1560-1710
d.1760-1810

It peaked in the late 18th Century,  when the largest number of slaves were captured on raiding expeditions into the interior of West Africa.

In short, Your Answer would be: Option D

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Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.