Columbia subject headings:
Favored nation clause--United States.
Former Soviet republics--Emigration and immigration--Government policy.
Former Soviet republics--Foreign relations--United States.
United States--Foreign relations--Former Soviet republics.
Harvard subject headings:
Favored nation clause--Former Soviet republics.
Favored nation clause--United States
Former Soviet republics--Emigration and immigration--Government policy.
Former Soviet republics--Foreign relations--United States.
United States--Foreign relations--Former Soviet republics.
Princeton subject headings: