so just explain this to me, USA, uk, germany, poland, france or any other country can support ukraine with men, machinery, weapons and money because "they are i

so just explain this to me, USA, uk, germany, poland, france or any other country can support ukraine with men, machinery, weapons and money because "they are in the right" but if a third party joins the other side, everyone has their panties in a bunch? is that correct? let them join and loose, why does USA care? its not like theya re trying to de-escalate the things