Lawfare Archive: Russia’s Aggression Against Ukraine and the International Legal Order

From April 4, 2023: Russia’s invasion of Ukraine has tested the international legal order like never before. For many, the fact that a nuclear power and member of the U.N. Security Council would commit unveiled aggression against another state seemed like it might be the death knell of the international system as we know it. 

But last week, in the annual Breyer Lecture on International Law at the Brookings Institution, Oona Hathaway, the Gerard C. and Bernice Latrobe Professor of International Law at Yale Law School, argued that international law and institutions responded more robustly than many ini...