[quote=Theodorable]
I'm on board so far. I feel that a large hindrance to many Nation RP's is that utilizing the very "free form" template ends in most nations being immensely similar. I, for example, want to have a large Jarldom that is poor in resources, but rich in it's population of serfs and servants, as opposed to a smaller, more succintly designed Jarldom that may be wealthier and more literate, or less bloodthirsty.
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Your demesne will be yours to craft. I'll have a map posted soon, limiting players to preset borders and some terrain, but for the most part, you will be free to dictate the terrain and society that live within your borders, so long as it follows reason and fits within the Nordic archetype; no deserts for example, but tundra is okay. 

On the surface, the Jarldoms will be similar, because they belong to the same culture and kingdom, and depending on how the game goes, they may be cooperating and working together, loyal to a strong and wise king... or splintered into several petty kingdoms and fighting amongst themselves and foreign enemies. Deeper reading, i hope, will reveal stark differences in characters and subcultures that will make the jarldoms varied and exciting to play as and to read about.