Columbia subject headings:
Democratization--Government policy--United States.
United States--Foreign relations administration.
United States--Foreign relations--21st century.
United States--Foreign relations.
Harvard subject headings:
Democratization--Government policy--United States.
United States--Foreign relations administration.
United States--Foreign relations--21st century.
United States--Foreign relations.
Princeton subject headings:
Democratization--Government policy--United States.
United States--Foreign relations administration.
United States--Foreign relations--21st century.
United States--Foreign relations.