In the fifty years after the Second World War, growing economic prosperity resulted in increased demand for wine, especially outside Europe. Wine producers emphasized quality to satisfy an increasingly educated and demanding market. During the same period, wine consumption declined in several countries, especially in France and Italy. The decline of their domestic market helped fuel the export drive in these countries.
Governments in many wine-producing countries adopted quality regulations similar to the French AOC rules. Labeling in the New World differed significantly from that of Europe. New World labels simply described the grape varieties from which wine was made. This was contrary to the European tradition that stressed geographic location.
The major revolution in the wine industry in the Twentieth Century was the transformation of traditional winemaking methods into an industrial process. Modern refrigeration techniques enabled warm countries in the New World to produce quality wines of different varieties. Combining technology and newfound expertise, modern wineries of the New World became capable of producing wine of a quality that rivaled those of the Old World.
The international wine industry was highly fragmented. The world's five largest companies in terms of volume produced