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Israel is unambiguously occupying PA territory.
Russia invaded Ukraine to defend endangered Russian minorities. Israel pounds tens of thousands of civilians that they were already treating inhumanely into dust to defend against terrorists. US blew up villages in Asia or weddings in the Middle East to defend democracy. Germany plunged Europe into war to defend the dream of the third Reich.
It's "only" a matter of painting yourself as a victim or as a defender of what's right. Even a robber will justify breaking into your home or killing your family by the need to feed their family.
But to address your point head on, there is absolutely no way the war Israel waged on Palestine for decades, killing more acutely these days, is about any reasonably justifiable defense more than the Holocaust was in defense. It's just one more step into implementing the extremist views that the current Israeli leadership always had. But if you have enough money and ignorant enough audience the world is your oyster.
No.
I'll spare you the additional effort. The answer is actually "no" for every single one on that list. None of those wars were/are just but that never stopped any of the aggressors from painting themselves as defenders of some fair and just ideal.
Running out of charitable interpretations here mate. Or willingness to see how much lower this can go.
(I didn't spell out how much I agree because being against Israel is a sure way to attract downvotes. But let me do it anyway: Israel has no right to exist and never did in modern times. The people Israel stole the land to not only have the right to the land because they were, you know, there and the Jewish invaders weren't -- they were also genetic heirs to ancient Israelis to a higher degree than the Jewish invaders were. I think it is disgraceful that Israel has so much influence over US politics and media (USS Liberty cover up!). I think it is disgraceful that Germany backs Israel to the extent it does -- in order to not be, or be perceived as, evil.
Where I don't agree so much is about the US and Asia. The US had every right to fight in Korea and it was a damn good thing it did. It also had a right to fight against the Viet Cong -- and it was a disaster for the Vietnamese when the Viet Cong conquered Southern Vietnam and caused a mass famine with their collective farming.)