Russia’s invasion of Ukraine is a world-historical event and the effects of it will likely ripple out for years to come.

Since 1945, the world has done a remarkably good job of preventing wars between great powers and making the costs of unprovoked aggression extremely high. In a matter of days, Russia has upended this system. A major war, if not probable, is at least plausible — and that’s a significant shift.

www.vox.com/2022/3/5/22955197/russia-ukraine-war-europe-america-world-war-3