Columbia subject headings:
Arab countries--Foreign relations--21st century.
Arab countries--Politics and government--21st century.
Islam and politics--Arab countries.
Political violence--Religious aspects--Islam--21st century.
Terrorism--Religious aspects--Islam--21st century.
Harvard subject headings:
Princeton subject headings:
Arab countries--Politics and government--21st century.
Arab countries--Relations--21st century.
Islam and state--Arab countries.