To force someone to serve in the military is called drafting
The best answer i see is C) The natural features in an area include mountains, deserts, and oceans because these were all aspects of keeping native people from wondering to far.
Answer:
In the 11th century CE the Awlil mines were in the hands of Takrur, but it would be the Mali Empire (1240-1645 CE), with its capital at Niani, that dominated the sub-Saharan salt trade following the collapse of the Ghana Empire.
