The Following Were True About the Trans-Sahara Caravan Trade Except

The following were true about the trans-Sahara caravan trade except

A) the Arab introduction of the camel into Africa enabled this trade to greatly increase.
B) cultural exchanges were stimulated by the growth of the caravan activity.
C) it enabled the Sahara region to become a major crossroad of international commerce.
D) it brought the first Islamic traders to central Africa in the first century BCE
E) it allowed Islam to influence much of Africa south of the Sahara.