Columbia subject headings:
Harvard subject headings:
Africa--Defenses.
Africa--Military policy.
African Union
Internal security--Africa.
Mediation, International
Peace-building--Africa
Princeton subject headings:
Africa--Defenses.
Africa--Military policy.
Africa--Politics and government--21st century.
African Union.
African cooperation.
Mediation, International.
National security--Africa.
Peace-building--Africa.