No matter what language is used in each country is the national language. To keep in touch with other countries at the foreign languages, cultures, all nations are required to use English as the main.
Whether each country's language as the national language. When dealing with different cultures, different countries, all countries need to use English as the main.
No matter how each country will use what language is the national language. When to contact with other countries of different languages in different cultures together all countries need to use English as the core.