Columbia subject headings:
Geopolitics--Middle East--History--21st century.
Middle East--Politics and government--21st century.
Non-state actors (International relations)--Middle East--History--21st century.
Harvard subject headings:
Geopolitics--Middle East--History--21st century.
Middle East--Politics and government--21st century.
Non-state actors (International relations)--Middle East--History--21st century.
Princeton subject headings:
Geopolitics--Middle East--History--21st century.
Middle East--Politics and government--21st century.
Non-state actors (International relations)--Middle East--History--21st century.