They'd have a job getting Nobby out of the squad, he'd been a regular team mate With first pick Saint Bobby of Charlton and entrenched his England place over the previous year or so... They even ended up in the Preston management team together!
Eden won a 60 seat majority and blew it, he was gone after 18 months. War decisions would have accelerated that, Atlee would have been a far wiser choice.
the orange separatists already did that several generations before, in 1910 they had already established their credentials on the eve of the great war:
https://en.wikipedia.org/wiki/Larne_gun-running