Writing on Twitter late Tuesday, Ukraine’s Defense Minister Oleksii Reznikov said that “with his signature, the Evil Empire disintegrated” — a reference to Kravchuk’s pivotal role in disbanding the Soviet Union. “Thank you for the peaceful renewal of our Independence. We’re defending it now with weapons in our hands,” Reznikov wrote.Although Kravchuk was a communist leader who spent a lifetime fulfilling decrees written in Moscow, during the waning years of the Soviet Union his strongly nationalist line brought him head-to-head with Russia in a struggle over the Black Sea Fleet and Crimea, The Washington Post reported ahead of his first...