That. Plus the fact that everyone (Russia included) gave Ukraine security guarantees when in the 90s we convinced them to give their nuclear missiles to the cou

That. Plus the fact that everyone (Russia included) gave Ukraine security guarantees when in the 90s we convinced them to give their nuclear missiles to the country that had occupied them just before. At the time everyone was very nervous about proliferation of nuclear weapons and it seemed a sensible promise. But when push comes to shove it seems more complicated.