Russia’s full-scale invasion of Ukraine in February 2022 should not have taken the world by surprise. The attack escalated a war that began in 2014 with the Russian annexation of Crimea, but its origins are visible as far back as the aftermath of the Cold War, when newly independent Ukraine moved to the center of tense negotiations between Russia and the West. The United States was a leading player in this drama. In fact, Jonathan Haslam argues, it was decades of US foreign policy missteps and miscalculations, unchecked and often reinforced by European allies, that laid the groundwork for the current war.