Grave consequences such as “We’ll introduce a REALLY harshly worded resolution to the United Nations!”?
And Putin’s response to these strongly worded admonitions:
“Yeah? You and what army?”
The rest of Europe is woefully overmatched in any confrontation.
So don’t start something you can’t finish. Or maybe, don’t be writing checks with your mouth your butt can’t cash.
They just waited until it looked like Russia was done to issue their warning.