Well maybe that's one of the first "application", but it's a well know fact that Mafia's rise was fostered by the Italian unification. Southern Italy was for the most part a feudal system controlled by a traditional aristocracy. The unification prompted by one of the Northern Italian states meant the wiping out of the existing Southern Italian aristocracy. Northern Italian bourgeoisie and aristocracy became the new r…
https://en.wikipedia.org/wiki/Making_Democracy_Work
https://en.wikipedia.org/wiki/Norman_conquest_of_southern_It...
Crazy how something that happened 8 centuries ago can still have an effect.