You (and people like you) are way too bold to allow yourself to speak for "the world" or for "the EU". As a member of the world and the EU, I'll say that I personally never wanted for my taxes to be spent to prolong this war. Moreover, if it turns out, as you suspect, it all can change on a whim of a president of the USA, it logically follows it never in fact was "the world" or "the EU" who decided that in the first place. It definitely wasn't mine decision, and I'm pretty sure it wasn't yours.

In fact, it won't even really be the voting citizens of the USA who make any decisions, because when red/blue splits 50/50 it isn't "tyranny of the majority" anymore, it's tyranny of luck.