Answer:
Sudan experienced a civil war between the North and South that ended in a cease-fire. However, there was unrest in Darfur, and Arabians and Muslims decided to exterminate the tribals.
It would be A (this is just to get past the 20 mark)
1685 I think, I'm not sure but I'll go with this answer
These two-way exchanges between the Americas and Europe/Africa are known collectively as the Columbian Exchange. Of all the commodities in the Atlantic World, sugar proved to be the most important.