“They could have no military and just rely on the remainder of the UK and the US to protect them. That’s pretty much what the rest of Europe does.”
Can’t say I would sleep well at night if those were my choices.
Scotland leaving the UK will leave the British Parliament with fewer left-wing members.
And THAT is why the left-wing parties in Britain are opposing it.
A right-ward swing in Westminster would imho be a rather good thing...