Columbia subject headings:
Harvard subject headings:
Diplomatic negotiations in international disputes
International relations--21st century.
Korea (North)--Foreign relations--2011-
Korea (North)--Foreign relations--United States
United States--Foreign relations--Korea (North)
World politics--21st century
Princeton subject headings:
Diplomatic negotiations in international disputes.
International relations--21st century.
Korea (North)--Foreign relations--2011-
Korea (North)--Foreign relations--United States.
United States--Foreign relations--Korea (North)
World politics--21st century.