Columbia subject headings:
Africa, Sub-Saharan--Politics and government--1960-
Failed states--Africa, Sub-Saharan.
National security--Africa, Sub-Saharan.
Political stability--Africa, Sub-Saharan.
Harvard subject headings:
Africa, Sub-Saharan--Politics and government--1960-
Failed states--Africa, Sub-Saharan.
National security--Africa, Sub-Saharan.
Political stability--Africa, Sub-Saharan.
Princeton subject headings:
Africa, Sub-Saharan--Politics and government--1960-
Failed states--Africa, Sub-Saharan.
National security--Africa, Sub-Saharan.
Political stability--Africa, Sub-Saharan.