Answer:
A
Explanation:
I think that's the correct answer
It really depends on the perspective you put it into. If you were a African that was taken from your home land, and forced to board a ship with hundreds of other Africans were you could barely stand, wouldn't you say the trade of slaves? But this also brought economic wealth to the Americas and it also help support the trade of sugar. This can be debatable though.
A series of major military efforts by the Mongols to invade China. was 6 decades in the 13th century. defeat of the Jin dynasty, Western Xia, the Dali Kingdom and the Southern Song. led by Genghis khan
