I did address Serbia Yugoslavia's economy was a successful Socialist country right in the middle of Europe. Until the USSR fell, although Tito had differences with Moscow (Stalin in particular) Yugoslavia remained in the Soviet sphere of influence and protection. Soon after Soviet protection disappeared, the US used its financial influence to weaken Yugoslavia's government and foment internal strife.
The resulting civil war was supported by the US. I haven't done enough research to know if the US was financially and militarily supporting the groups in Yugoslavia who started the shooting as we (the US) were in Ukraine.
Chris Hedges (US Pulitzer prize reporter and former NYT) was there and says the US is mostly responsible for the tensions in Yugoslavia becoming a war. That was my point about wars. You have to look at how wars start, not just who has the most soldiers on the ground.
The US entered the Yugoslavia war without a UN mandate. I also know that Russia uses specifically this US precedent when Russia entered into the civil war in Ukraine. It is also not just "by the way" that Yugoslavia is 1/2 a world away from the US, and not next door like Ukraine is to Russia.
What I also know for sure is that the US immediately recognized Kosovo as an independent nation when Kosovo claimed independence from Serbia. I also know that Russia (again) uses specifically this US precedent when Russia recognized the breakaway Oblasts in the Donbass in Ukraine.
Israel is an apartheid state. The government is no better than Iran. Israel of course has the right to defend itself, but they are committing war crimes nearly every day by attacking the Palestinians that Israel controls, and building settlements on occupied territories. Those are war crimes by Israel. They do not become "not war crimes" just because the Jews had horrendous crimes perpetrated on them.