It's europe who insists to freeze in the dark, russia wants no freaking NATO missiles and labs and other facilities at its border, needless to mention hostile joint military exercises If you have separatist movements getting the support of the majority it means it's bad, the relationship with the rest of the nation didn't go well, obviously You had the minsk agreements too, ukraine didn't honor its share of the contract... For all those reasons, once all the diplomatic channels effectively led absolutely nowhere, russia said fuck it