The 17th and 18th century slave trade had the greatest impact on which part of africa? A. the Sinai B.West africa C.Sub-Saharan Africa D.South...

If you just think about the geography of the world, you
will be able to think of this answer for yourself.

First,
which area of the world was importing slaves?  As you know, most of the slaves were
being taken from Africa to the Americas (mostly the Caribbean and
Brazil).

Given that, which part of Africa would be most
likely to be affected?  Of course it will be the part of Africa that is nearest to the
Americas.

Because of this, the correct answer here is B --
West Africa was most impacted by the slave trade.