The maxim, “The strong do what they can and the weak suffer what they must”, attributed to the Athenian historian Thucydides, described the reality of world politics for millennia. Today there are forces that wish to see a return to a world where “might equals right”. The European Union, born out of the ashes of war to secure lasting peace, stands for a different vision. We are convinced that the rules-based international order is a historic achievement. Despite not being perfect, this order and...