How Do You Declare Casus Belli In Crusader Kings 3?
How Do You Declare Casus Belli In Crusader Kings 3? Click the icon. Right-click on the portrait of your liege or ally. Under the Diplomacy section, click Offer to Join War. How do I declare war Crusader Kings 3? How To Declare Wars. To declare war in Crusader Kings 3, all you need to do