Since 1990, the Western answer was clear: under no circumstances should Moscow be able to sit at the same table. The new antagonism was decreed by the West and they tried to bring it about by global constriction of the Russian Federation.
The warlike provocations of the West in the Black Sea must cease and there must be the opportunity for all sides to face up to their true behaviour. The escalation screw is in American hands. Europe and the world must be made capable of peace.
Moreover, there was a clear record of strong cooperation between the EU and Russia, dating back to 1994, when the two sides negotiated a Partnership and Cooperation Agreement. Russia was identified as a strategic partner for the EU, and was the only country with which the EU held summits not once, but twice a year. A new EU-Russia agreement was being negotiated up until 2014, at which point talks were suspended due to Russia's involvement in the Ukraine conflict. The EU and NATO repeatedly emphasised their intention to have a "constructive dialogue with Russia". Read more here.
See how Russia has escalated the tensions in the Azov Sea here.