 Complete the following phrase:  However, by the end of the 18th century non-sparkling pinkish wine production still accounted for over 90 of the Champagne regions production. The French Revolution and following Napoleonic wars temporarily derailed the popularity surge for Champagne. To save some of their noble clients from the guillotine, Champagnes merchants altered business records by replacing the titles of their clients with Citizen. As many nobles fled to other countries, the merchants did their best to make sure cases of their favorite Champagne followed. During the Napoleonic wars, Europeans ports were subject to an endless stream of blockading and counter-blockading. Sales agents like Louis Bohne of Veuve Clicquot devised creative schemes to smuggle their wines to their clients. The agents even tried to turn both victory and defeat into sales opportunities. During Napoleons invasion of Russia, Charles-Henri Heidsieck traveled by horseback ahead of the French Imperial Army on their way to Moscow. Armed with cases of Champagne, Heidsieck was prepared to do business with whoever was the victor. After the 