

They are a sovereign country, a sovereign country that stated red lines in regard to their territorial security. The West knowingly provoked Russia by posturing that Ukraine would join NATO.
This is exactly the same reaction the US would have if the scenario was flipped (as stated in the Monroe doctrine). It is hugely hypocritical of the previous administration to pretend that Russia is in the wrong for wanting to secure their border.
They finally found the culprit for the shit state of the United State: It’s all those pesky german young adults backpacking through the world and visiting Hawaii for like a few weeks or something!