Columbia subject headings:
Boundaries--Political aspects.
Boundaries--Social aspects.
Nationalism.
Harvard subject headings:
Boundaries--Social aspects--Congresses.
Intercultural communication--Case studies--Congresses.
Nationalism--Congresses
Southern Cone of South America--Boundaries--Congresses.
Princeton subject headings:
Boundaries--Social aspects--Congresses.
Case studies.
Intercultural communication--Case studies--Congresses.
Nationalism--Congresses.
Southern Cone of South America--Boundaries--Congresses.