" Russia’s undeclared hybrid war in Ukraine’s Donbas region, which has taken more than 14,000 lives in the past seven years, claims American and Western attention as one of the foremost manifestations of the global struggle between democracy and authoritarianism. The ongoing military conflict in Ukraine is not only a contest of political values. Russia’s effort to stem its imperial decline by seizing the Crimea and occupying part of the Donbas presents a major threat to international order, with its bedrock principles of sovereignty and territorial integrity of nation-states, on a level not seen since the end of World War II. "

― Serhii Plokhy , The Gates of Europe: A History of Ukraine