Book of Kells is a famous illuminated manuscript
Answer:
The political system of Central and Northern Italy was characterized by the city states great fragmentation and spirit of autonomy. This situation constituted an insuperable obstacle to any prospect of national unification and a serious barrier even to the formation of smaller state organizations such as the regional states into which Italy later consolidated.
This factor indeed stood them out.
Well, here is a hint. Anything ending in (.com) is not usually trustworthy, because they are usually trying to sell something, or are just not accurate. (.gov) is trust worthy I guess, but they are telling you what you want to hear. (WIKI IS NOT TRUSTWORTHY AT ALL) (.edu) would be the best, or (.org)
nullification rather than support secession