Columbia subject headings:
Humanitarian intervention--Congresses.
Harvard subject headings:
Humanitarian intervention--Congresses.
United States--Foreign relations--1989---Congresses.
United States--Military policy--Congresses.
World politics--1989---Congresses
Princeton subject headings:
Humanitarian intervention--Congresses.
United States--Foreign relations--1989---Congresses.
United States--Military policy--Congresses.
World politics--1989---Congresses.