> Casus belli incorporates legitimacy of war. Hamas had it, Israel had it. America did not in Iraq; Russia doesn’t in Ukraine. These are your opinions. They ha

> Casus belli incorporates legitimacy of war. Hamas had it, Israel had it. America did not in Iraq; Russia doesn’t in Ukraine. These are your opinions. They have no legitimacy except in the eyes of people who share your opinions. > If that force is conducting operations in your borders If you build your borders on other people’s homes, it’s pretty clear cut actually.