Columbia subject headings:
Geopolitics--Central America.
Insurgency--Central America--History--20th century.
Nicaragua--Foreign relations--United States.
Nicaragua--Politics and government--1979-1990.
United States--Foreign relations--Nicaragua.
Harvard subject headings:
Geopolitics--Central America.
Insurgency--Central America--History--20th century.
Nicaragua--Foreign relations--United States.
Nicaragua--Politics and government--1979-1990.
United States--Foreign relations--Nicaragua.
Princeton subject headings:
Geopolitics--Central America.
Insurgency--Central America--History--20th century.
Nicaragua--Foreign relations--United States.
Nicaragua--Politics and government--1979-1990.
United States--Foreign relations--Nicaragua.