Columbia subject headings:
Africa, Sub-Saharan--Foreign relations--1960-
Africa, Sub-Saharan--Politics and government--1960-
Civil war--Africa, Sub-Saharan--History--20th century.
Conflict management--Africa, Sub-Saharan.
Intervention (International law)
Harvard subject headings:
Africa, Sub-Saharan--Foreign relations--1960-
Africa, Sub-Saharan--Politics and government--1960-
Conflict management--Africa, Sub-Saharan.
Intervention (International law)
Princeton subject headings:
Africa, Sub-Saharan--Politics and government--1960-
Conflict management--Africa, Sub-Saharan.