It's a funny world, I'm not sure the old definitions of left and right are relevant here. The European far left (the ones that still call themselves marxists, whatever nuanced marxism they agree on) are so traditionally anti american that they suspect anything that has USA or NATO in it so they support ... "peace". Those are the ones the italian prime minister fights in Parliament (fantastic speech btw)
Then you have the european far right that is profoundly angry against the mainstream parties and status quo that they will embrace whatever chaos they can. Headless chickens with no rationale that can be perceived to whatever they stand for ...
The traditional right (conservatives, demochristians, liberals, pick your denomination) and the traditional left (socialists, social democrats, again the denomination depends on country) that have been the mainstream political parties, rotating in power since the end of WW II, despite being (worryingly IMHO) in decay, can still see clearly through the fog and understand the bigger picture, therefore it'll be difficult to find anyone from these political camps that doesn't support supporting (sorry) the Ukranian war effort.
And then you have the USA, where liberals are the left and republicans are something that I can't even explain nowadays, but nothing their predecessors would be proud of (with the possible exception of Mitt Romney, Liz Cheney and a few - very few - others).
I don't pretend to understand what's happening to people on the other side of the Atlantic, but it is worrying to understand that millions can vote and elect as their president a conman and - even worse - it is troubling when such a poor excuse of a man has a shot at re-election. Whatever the case, that is the american people's choice, what matters to me is that the USA can become in the international arena an unreliable ally at best or can indeed become a country that only uses its formidable might when and if it suits the personal interest of their president. And what happened with Ukraine during the Trump era is a good example of this.
I fear this could all end in tears (or lack of them because we'll all be dead) but I do think Western Europe must become its own thing regarding defense and also military offensive capcity, and that will mean Germany, together with France this time, will need to let go of their XXth century traumas (I don't disregard the UK but they'll be at best allied to the others, never mix in). And the frontier is now firmly in the East (can't say I'm not relieved with that, although nobody is safe in the planet now), with Poland, Ukraine, the Baltic states and Finland being the first line of defense against the unchecked power of Russia and the servitude of its minion Belarus.
This is not a left vs right issue, also not a capitalism vs marxism issue, it is really a democracy vs cleptocracy issue.
My two cents