[johannes1234321]

well, we can see that trouble around Northern Ireland. Currnetly there is a somewhat border between Great Britain and Northern Ireland, to keep the border between Northern Ireland and the Republic of Ireland limited. But that state can't really work for a United Kingdom.

If() an independent Scotland would happen to join the EU there wouldnhave to be somenborder to UK (whatever is remaining) as well.

) I think before anybody (Balkan countries, Turkey, Ukraine, Scotland, ...) can join EU the EU requires some reform and decision on what it actually wants to be, so I don't see the fast path, even though Scotland fulfills most EU standards when starting with current British law, as it was shaped along with EU