I feel it is usually assumed somewhat nonchalantly that the Scots could split off as an independent nation. One signal of the Brexit vote is that nationalists (

I feel it is usually assumed somewhat nonchalantly that the Scots could split off as an independent nation. One signal of the Brexit vote is that nationalists (or empireists) will be represented stronger in future elections. I can see a (neo-imperialistic) future where it is in the interest of England to not let anyone split off and fight for that with all means. I think the hardline will be Northern Ireland but strategically speaking it would make sense to not allow precedent and keep Scotland in.