Columbia subject headings:
Angola--Foreign relations--United States.
Angola--Politics and government--1975-
Humanitarian assistance, American--Angola.
United States--Foreign relations--Angola.
Harvard subject headings:
Angola--Foreign relations--United States.
Angola--Politics and government--1975-
Humanitarian assistance, American--Angola.
United States--Foreign relations--Angola.
Princeton subject headings:
Angola--Foreign relations--United States.
Angola--Politics and government--1975-
Humanitarian assistance, American--Angola.
United States--Foreign relations--Angola.