White wine the death knell of northern viticulture. The vine disappeared from northern Germany and Baden, and the maximum altitude for viticulture descended to 220 metres. Hans-Jürgen Otto noted that: "all the vineyards suffered and decreased in area". In England the vine also disappeared. The less early vineyards preferred to select white varieties of grapes because, even if unripe, white grapes allowed wine that was a little sour to still be consumable, while red grapes do not give enough colour and green tannins make the wine bitter. The interruption of the fermentation by a cold winter led to the discovery of the
Operation Grapes of Wrath the grapes of wrath are stored; He hath loosed the fateful lightning of His terrible swift sword: His truth is marching on.</poem> The irony (and potential controversy) of an Israeli military operation being named after a Christian religious doctrine was not entirely lost on the Israeli press. However, most commentators either believed the title was a reference from the Torah or that the phrase merely referred to John Steinbeck's novel of the same name, "The Grapes of Wrath". Operation Grapes of Wrath Operation "Grapes of Wrath" () is the Israeli Defense Forces code-name (referred to as April War by Hezbollah)