Then Europe shouldn't have expanded the EU and NATO ever eastward without taking on the explicit commitment to protect places like Ukraine and other former Societ bloc nations. Increased sanctions have been on the table since the election took place in November and it's not like they couldn't assign a liaison to Congress in order to find out EXACTLY what they were going to pass.
This is a chickenshit move for a continent that's busy tooting its own horn about banning petrol vehicles.
Ukraine is neither part of the EU nor part of NATO(Both have common defense clauses).