Columbia subject headings:
Brazil--Foreign economic relations--United States.
Brazil--Foreign relations--United States.
United States--Foreign economic relations--Brazil.
United States--Foreign relations--Brazil.
Harvard subject headings:
Brazil--Foreign economic relations--United States.
Brazil--Foreign relations--United States.
United States--Foreign economic relations--Brazil.
United States--Foreign relations--Brazil.
Princeton subject headings:
Brazil--Foreign economic relations--United States.
Brazil--Foreign relations--United States.
United States--Foreign economic relations--Brazil.
United States--Foreign relations--Brazil.