
Borders are not a human invention, but natures. All kind of animals mark and defend their territory against their own and other species. Just ask your own pets.
But it’s time for the human race to transcend borders and the idea of the Nationstate altogether. The flow of people, ideas and goods should be free. That was one of the basic ideas behind the European Union - and still is.
Crossing borders has become much easier in the last 100 years, but there are still too many walls and fences up. And we still have some nations totally isolated from the global community. But the number of international trade and travel agreements are slowly growing and the openness is expanding.
Let’s hope that in 100 or 200 years most borders only exist on paper.