Wine labels - Peeling off the mystery

One of the most baffling subjects that confronts the budding wine enthusiast is the deciphering of the myriad of information contained on the bottle label, especially that contained on wine bottles from European countries. Once the basic rules are taken on board it becomes a lot simpler. Whereas most New World countries put details of the grape varieties on the front label, a lot of European regions do not, and as this is the most basic of information for taste purposes why is this the case?

European winemakers tend to put more emphasis on the place of origin. For instance, a Bordeaux red typically wont say