Columbia subject headings:
Economic assistance, American--Europe, Eastern.
Europe, Eastern--Foreign relations--United States.
Europe, Eastern--Politics and government--1989-
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Europe, Eastern.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Princeton subject headings:
Economic assistance, American--Europe, Eastern.
Europe, Eastern--Foreign relations--United States.
Europe, Eastern--Politics and government--1989-
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Europe, Eastern.
United States--Foreign relations--Soviet Union.