Columbia subject headings:
Harvard subject headings:
Civilian war casualties.
Sociology, Military--United States.
United States--Foreign relations--2001-2009.
United States--Foreign relations--2009-2017.
War--Moral and ethical aspects
Princeton subject headings:
Civilian war casualties.
Sociology, Military--United States.
United States--Foreign relations--2001-2009.
United States--Foreign relations--2009-2017.
War--Moral and ethical aspects.