Columbia subject headings:
Customs unions.
Latin America--Foreign economic relations--United States.
MERCOSUR (Organization)
North American Free Trade Agreement
Trade blocs.
United States--Foreign economic relations--Latin America.
Harvard subject headings:
Customs unions.
Latin America--Foreign economic relations--United States.
MERCOSUR (Organization)
North American Free Trade Agreement
Trade blocs.
United States--Foreign economic relations--Latin America.
Princeton subject headings:
Customs unions.
Latin America--Foreign economic relations--United States.
MERCOSUR (Organization)
North American Free Trade Agreement
Trade blocs.
United States--Foreign economic relations--Latin America.