During the Cold War, the Two Contending Superpowers

During the Cold War, the two contending superpowers

A) ignored Africa as an unimportant backwater.
B) sent their own troops to fight each other in Africa in order to gain valuable resources and commodities.
C) used Africa as part of their power struggle, largely through proxies and surrogates.
D) imposed a mutual ban on arms shipment to Africa so it would remain at peace.
E) provided selfless and meaningful aid that allowed Africa to develop and prosper during this period.