Earlier quoted context omitted.
NATO is expanding and Russians were not happy about that way before current situation. Being Crimean myself I would say that so much feared 'annexation' was forced on to Russia by Crimean local establishment. Not that Russia was against it though. As a matter of fact - throughout 23 of the Ukrainian independence it was never less than 65% of Crimeans that were ready to join Russia. Ukrainian crisis is the result of b…
I think saying "NATO is expanding" you mean that Ukrainian choice of signing agreements with EU left Russia no choice. From Ukrainian point of view, they are an independent country - which may, at different times, get into different unions with different partners. So, Russian (actually, Russian government) point of view that any Ukrainian motion towards EU signals a threat to Russia doesn't justify Russian hostilitie…
The thing is, there is a handful of superpowers in the world, which dictate the geopolitical motions. A smaller country bordering a superpower can be friends with it, be strictly neutral (see Finland) or be friends with opposing superpowers (see Ukraine). The last scenario means you are asking for all sorts of shit to happen to you. It's not "good", but that's how things are.