Columbia subject headings:
Intervention (International law)
Security, International.
United Nations--Armed Forces.
United Nations--Peacekeeping forces.
Harvard subject headings:
Humanitarian intervention--Afghanistan--History--20th century.
Humanitarian intervention--Congo (Democratic Republic)--History--20th century.
Humanitarian intervention--Iraq--History--20th century.
Humanitarian intervention--Rwanda--History--20th century.
Humanitarian intervention.
Intervention (International law)
Princeton subject headings: