That's what I get for asking an imprecise question. Sometimes, when two countries dislike each other very much... A more precise line of questioning might have

That's what I get for asking an imprecise question. Sometimes, when two countries dislike each other very much... A more precise line of questioning might have been: What considerations brought about the inclusion of this particular clause or right? Under what circumstances has it been raised for consideration since the Agreement? Can you point to a resource focusing on the issues and history surrounding this particular clause? Anyway, the comments above made some suggestions.