Beginning with Ukraine's announcement on February 24th that Moscow would start a military operation in its territory, this study examines the current crisis in Ukraine from the perspectives of its causes and the consequences it will have on the future of the current international system. Moscow took a step to raise world concern and fear on February 24th when Kyiv announced that Moscow had begun military operations with a ground invasion of its lands. The previous day, the presidents of Donetsk and Luhansk had asked the Russian president to intervene and protect them from Ukrainian forces. Russia and NATO have been exchanging remarks and threats for some time, and now a confrontation in Ukraine is a distinct possibility. Following this unexpected move, there were analyses and guesses regarding the future of the international system and, by extension, the entire planet. Considering Russia's history of nuclear threats, including the most recent remark by the Russian president that alerts the country's nuclear deterrent forces, this is particularly true. As of this writing, the situation has not been resolved, and it occasionally shows signs of quiet before escalating again