Columbia subject headings:
Harvard subject headings:
Economic assistance, American--Korea (North)
Humanitarian assistance--Korea (North)
Korea (North)--Foreign relations--United States.
Korea (North)--Military policy.
United States--Foreign relations--Korea (North)
Princeton subject headings:
Economic assistance, American--Korea (North).
Humanitarian assistance--Korea (North).
Korea (North)--Foreign relations--United States.
Korea (North)--Military policy.
United States--Foreign relations--Korea (North)