but it is impossible unless your duke recognize the bond he has with you (I was a knight).
Exactly.
Asking people not to use nationalism is to ask Dukes to gain power from their position rather than pass all power to the ruler. It should happen, but often the people who become Dukes are also reliant on their rulers, and must allow that kind of nationalism to stay safe in their position.
Nationalism is the natural consequence of seeing the Ruler as the apex of the social ladder. With Dukes being more powerful than rulers in many case, it should not happen so much.
That being said, I dislike the idea of using OOC agreements. I think this is very much part of the gameplay as it actually is.
