Nothing will replace (____) ever.
Famous last words homeslice. Ever is a word representing a span of time apparently beyond your comprehension.
Until we get a united country of earth and there is a big movement toward unity, I think fiat will remain a strong entity and also symbol of each individual country.
I agree. Feudal society took about a thousand years to coalesce into the modern nation state. We've been doing that for about 300 years or so, and we're getting close to the next rapid transformation. Advances in communications technology are shaking things up once again.