Columbia subject headings:
Cosmopolitanism.
Risk--Sociological aspects.
Security, International.
Terrorism.
United States--Strategic aspects.
World politics--21st century.
Harvard subject headings:
Cosmopolitanism.
Risk--Sociological aspects.
Security, International
Terrorism
United States--Strategic aspects.
World politics--21st century
Princeton subject headings:
Cosmopolitanism.
Risk--Sociological aspects.
Security, International.
Terrorism.
United States--Strategic aspects.
World politics--21st century.