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.
Answer:
Colonization: Spain colonized for fur trades, gold, and silver.
As for the England colonies, the main reason/idea they colonized was for the wish to obtain Religious Freedom and land.
Exploration: The point of Spanish exploration were in search of valuable minerals/rocks, wealth, looking for "The city of gold" or a.k.a El Dorado.
The point of England exploration was to find spices, silks, and wealth.
Hope this helps, if I have any grammar mistakes, I'm sorry!