You forgot to stop the Nazis.Russia
Yes, after they started an armed uprising
Who knows?
One
They were outlawed during a national emergency, aka, being invaded by a hostile foreign power
A Western-friendly government was installed in Ukraine by what was ostensibly a popular uprising, but most likely largely orchestrated by, or at least heavily supported by, Western powers.
Originally they said it was to occupy the Donbass and Luhansk regions and protect the people there from the Ukrainian government, IIRC.
Well, there's my answers from what I can recall off the top of my head. What grade did I get on the pop quiz?