The world's population. No matter which nation There must be a correlation, for example, might trade or other relations, it might be necessary to use Interlingua; it would talk to each other without knowing the subject and they have chosen to remove this to English.
The world's population Whether any nation Such relationship may have made a trade. Or may be other relationships. This requires a common language Otherwise, we will not talk about. And they have chosen the English language for this purpose.
The population of the world, whether it is any nation must have a relationship, for example, may trade or may be related to the other side. The need to use the language. Otherwise, it will talk nonsense.