Which statement about the Sahara is most closely
associated with the West African civilizations of
Ghana and Mali?
(1) Irrigation systems made it possible to farm in
the Sahara.
(2) Salt mined in the Sahara was exchanged for
gold.
(3) Oases in the Sahara served as their capital
cities.
(4) The Sahara prevented the spread of Islam to
the region.
Which statement about the Sahara is most closely
associated with the West African civilizations of
Ghana and Mali?
(1) Irrigation systems made it possible to farm in
the Sahara.
(2) Salt mined in the Sahara was exchanged for
gold.
(3) Oases in the Sahara served as their capital
cities.
(4) The Sahara prevented the spread of Islam to
the region.