In the most significant effort yet to punish Russia for its war in Ukraine, the European Union agreed to ban the overwhelming majority of Russian oil imports after tense negotiations that exposed the cracks in European unity.
From the moment Russia invaded on Feb. 24, the West has sought to hit Moscow's lucrative energy sector to cut off funding for its war. But any such move is a double-edged sword, especially in Europe, which relies on the country for 25% of its oil and 40% of its natural gas. European countries that are even more heavily dependent on Russia have been especially reluctant to act.
