Almost everything about societies except cities is just pretty words. Countries and most borders are just an abstraction. We fight for them because someone convinces us with words to do so. We could do the same for the UN and it would be a much nobler cause in most cases.
Human territory is absolutely natural and exists in other apes also.
The feeling of defending territory is natural and is not words
Only what constitutes the territory to defend has been warped by words.