Answer: where there is legally administered bilingualism in bilingual regions or at national borders or where there is a relevant tourist or commercial interest airports, train stations, ports, border checkpoints, tourist attractions, international itineraries, international institutions.
Explanation: I hope this helps probably not but you welcome :)
Make a list of three immigrant groups to Argentina. For each group, explain when and why they came to Argentina and in which part of the country they settled. Then he cites examples of how the contribution of each of these groups is manifested in Argentine culture.