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
Colour revolution affairs that destabilize economy, conflict with the law and represent a new form of warfare. President Vladimir Putin said that Russia must prevent colour revolutions: "We see what tragic consequences the wave of so-called colour revolutions led to. For us this is a lesson and a warning. We should do everything necessary so that nothing similar ever happens in Russia". 2018 "Gilets Jaunes" yellow-vest protests in France follow the same pattern as prior Color Revolutions, and many reports indicate that French protests are "goose sauce" tit-for-tat payback operations undertaken by Russia as part of ongoing harassment and subversion activities directed