Before revision: The phrase "Arc of Instability" has independently also been used by the National Intelligence Council to describe "a great arc of instability stretching from Sub-Saharan Africa through North Africa, into the Middle East, the Balkans, the Caucasus, and South and Central Asia, and parts of Southeast Asia.
After revision: The phrase "Arc of Instability" has seperately also been used by the National Intelligence Council to describe "a great arc of instability stretching from Sub-Saharan Africa through North Africa, into the Middle East, the Balkans, the Caucasus, and South and Central Asia, and parts of Southeast Asia.