Do share a few examples where: * the aggressor makes an impossible to accept ultimatum * claims their enemy isn't really of a different ethnicity and historic

Do share a few examples where: * the aggressor makes an impossible to accept ultimatum * claims their enemy isn't really of a different ethnicity and historically belongs to the aggressor * stages false flag operations to excuse their invasion None of these is in any way new, or revolutionary, and wasn't invented by the Nazis, or the Austrians in WWI, but it's not a mandatory element of every other armed conflict of history. And even if it were, it's still valid to compare to other such conflicts, like WWI and WWII, including the Nazis.