France and Britain were about to be dominated by the US and Russia then aye? Everyone forgets Germany and her allies in such plans
Alsace-Lorraine in this time timeline isnt to deep into French territory, heck it runs on the French side of the Rhine... and Alsace in this timeline should be still be very German.
Simply speaking I like France better than Russia, and if France hadnt cheated me of the territory i asked for we wouldnt be in the current position we are
Britian still has a large fleet, and though her IC might be lower than it is, dont forget her dominions (although i admit your right that they might not be willing, however i wasnt expecting British troops to assist, but the British navy is still enough to protect me from blockade) and im not going to sniff at an extra 18 IC fighting on my side am I