It's also worth noting that these differences are intentional based on the various ideas of how states were organized at different points in time CK2 - the Mid

It's also worth noting that these differences are intentional based on the various ideas of how states were organized at different points in time CK2 - the Middle Age/feudal period EU4 - the Renaissance to Napoleonic Wars, where states start centralizing and developing a true identify of their own, so more state based Vic3 - the Victorian era of industrialization and massive societal change within countries Hoi4 - total war of the WWII era