Cold War II would be a much better option than WW III.
A cold war brings stabilized tension, constant vigilance and constant caution - and with nuclear deterrence at its core - a permanent stand-off.
We face these new choices simply because the EU's little demagogues do not understand the innate fear of a Russian nation which was brought close to extinction by Napoleon and Hitler.
The old "spheres of influence" have been disregarded by the EU, Merkel and the woman the Russians call "that English woman", Baroness Ashcroft. A British Army subaltern doing War Studies would get it.
And let's not go near to even discussing Sturgeon's Stupidity on Trident.