[quote=Jeddaven]
Why does the German invasion have to be there for the sake of exploring a Eurozone breakdown or for the sake of a third world war? There could be plenty of reasons for a third world war aside from a German invasion, and plenty of reasons to explore a breakdown of the Eurozone, not to mention Poland and the UK leaving the EU, a breakdown of the Chinese government, Russian aggression towards Europe, etc.
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Because as it stands Russian involvement in the war was far too isolated and never really poured into something greater, or has been written into. German Aggression involves a wider number of parties that creates a stronger column to give the story some merit.

And Russian aggression isn't exactly something they haven't been doing and there's been little involvement from any one for the most part. If anything, as shit destabilizes in Europe there'd be too many distractions to raise fuss from the European powers as Russia re-absorbs some of its former Imperial provinces (which should also include a large part of Poland actually). Georgia doesn't really have any allies apart from Armenia and the Turks would be the most relevant since they're in the neighborhood. And a collapse of NATO and the European Union would certainly rationalize a weak response to Russia, if there isn't one retconned in.