Editing Border (section)

=== Frontier ===
{{Main|Frontier|Frontier thesis|Terra nullius}}
The frontier is a border that is open-ended to one side, identifying an expanding borderland to one side.

This type of border can be fairly abstract and has been identified as a particular state of mind<ref>{{cite journal |last=Mura |first=Andrea |year=2016 |title=National Finitude and the Paranoid Style of the One |journal=[[Contemporary Political Theory]] |volume=15 |pages=58–79 |doi=10.1057/cpt.2015.23 |s2cid=53724373 |url=https://research.gold.ac.uk/19373/1/Mura%20-%20National%20Finitude%20and%20the%20Paranoid%20Style%20of%20the%20One.pdf |access-date=2020-09-29 |archive-date=2020-09-30 |archive-url=https://web.archive.org/web/20200930021046/http://research.gold.ac.uk/19373/1/Mura%20-%20National%20Finitude%20and%20the%20Paranoid%20Style%20of%20the%20One.pdf |url-status=live }}</ref> for human activity. As such frontiers have been applied to borderlands identifying and claiming them as [[terra nullius]], such as [[Marie Byrd Land]] in [[West Antarctica]], the only territory in Antarctica unclaimed by any sovereign nation.<ref>{{Cite web |title=Making claims |url=https://discoveringantarctica.org.uk/how-is-antarctica-governed/the-antarctic-treaty/making-claims/ |access-date=2023-11-29 |website=Discovering Antarctica |language=en-GB}}</ref>