Columbia subject headings:
Harvard subject headings:
Iraq War, 2003-2011--Causes
Petroleum industry and trade--Political aspects
Saudi Arabia--Foreign relations--United States
Saudi Arabia--Politics and government--1932-
United States--Foreign relations--Saudi Arabia.
United States--Politics and government--1989-
Princeton subject headings:
Iraq War, 2003-2011.
Iraq--Military relations--United States.
Islam and politics.