Because it involved many countries altogether, not just a war between 2 countries, it included at least 6 countries
you can try to limit your time for other activities to make space for another one
The answer is the Separatists
Sovereignty change the way that european countries interacted with one another because there were not cities anymore, they were countries that were ruled by kings, who right to govern come mostly from god, thus giving them total control over people from different nations that come into their territories. There was an increase in burocracy.