Columbia subject headings:
Democracy--Europe, Central.
Democracy--Europe, Eastern.
Europe, Central--Politics and government--1989-
Europe, Eastern--Politics and government--20th century.
Human rights--Europe, Central.
Human rights--Europe, Eastern.
National security--Europe, Central.
National security--Europe, Eastern.
North Atlantic Treaty Organization--Membership.
United States--Foreign relations--Philosophy.
Harvard subject headings:
Democracy--Europe, Central.
Democracy--Europe, Eastern
Europe, Central--Politics and government--1989-
Europe, Eastern--Politics and government--20th century.
Human rights--Europe, Central.
Human rights--Europe, Eastern
National security--Europe, Central
National security--Europe, Eastern
North Atlantic Treaty Organization--Membership.
United States--Foreign relations--Philosophy.
Princeton subject headings:
Democracy--Europe, Central.
Democracy--Europe, Eastern.
Europe, Central--Politics and government--1989-
Europe, Eastern--Politics and government--20th century.
Human rights--Europe, Central.
Human rights--Europe, Eastern.
National security--Europe, Central.
National security--Europe, Eastern.
North Atlantic Treaty Organization--Membership.
United States--Foreign relations--Philosophy.