True, Italy is not the only country with Cosa Nostra, but that word
evokes Italy, just as Hitler evokes Nazism and the Cold War evokes the USSR... so get real! -
SInce it is so easy, it is fun to try to guess them just by the first clue :)
PS: Cannabis is spelt wrong
@celticcougar56: No he wasn't. Alfred Nobel was Swedish.
Fryderyk Chopin was polish too, Chopin has french second name because of his father and Skłodowska because of her french husband Pierre, so why the ... you feel offended? They were 100% polish but they moved to France, that doesn't make them french anyway. Messi is famous because of Spain, but is he spanish? ;)
clue is more instantly recognizable by the majority of the civilized than Auschwitz for Poland and Mafia for Italy? (or more specifically maybe, Sicily?) - We CANNOT rewrite history, so let's instead LEARN from it! If those symbols of the past are so hideous to you, then resolve to make sure that their causes are eradicated!
And why cannabis? It is not a special thing that only belongs to the Netherlands.