Columbia subject headings:
Angola--Economic conditions--1975-
Angola--Foreign economic relations--United States.
Angola--Politics and government--1975-
Investments, American--Angola.
United States--Foreign economic relations--Angola.
Harvard subject headings:
Angola--Economic conditions--1975-
Angola--Foreign economic relations--United States.
Angola--Politics and government--1975-
Investments, American--Angola.
United States--Foreign economic relations--Angola.
Princeton subject headings:
Angola--Economic conditions--1975-
Angola--Foreign economic relations--United States.
Angola--Politics and government--1975-
Investments, American--Angola.
United States--Foreign economic relations--Angola.