V4 divergences: symptom of a deeper crisis in Europe?

The spread of the Ukrainian crisis has aroused strong reactions of the USA and the European Union against Russian interference in Ukrainian politics. Russia is a strategic market for Europe and the close trades and financial links have pushed the European Union in the direction of a more moderate and careful response, at first. Because of the stalemate in the dialogue between Moscow and Kiev and the threat of a Russian military intervention in Ukraine, the EU has aligned its plan sanctions against Russia with the USA one, between July and September.