History of Bordeaux wine became the base for Richard's French operations. As the popularity of Bordeaux wine increased, the vineyards expanded to accommodate the demands from abroad. Henry and Aliénor youngest son, John was in favor of promoting the wine industry, and to increase it further, abolished the "Grande Coutume" export tax to England from the Aquitaine region. In the 13th and 14th century, a code of business practices called the "police des vins" emerged to give Bordeaux wine a distinct trade advantage over its neighboring regions. The citizenry of Bordeaux worked diligently to promote and foster their relationship with the English market. In
Bordeaux wine regions Bordeaux's production uses these generic appellations. Red wine produced under the Bordeaux AOC is made mostly from Cabernet Sauvignon and Merlot, with the addition of Cabernet Franc and small amounts of Petit Verdot, Malbec and Carmenère. This appellation covers around 42,600 hectares of vines and produces around 223 million litres of wine (which is nearly a third of the total wine production of Bordeaux). White wine produced under the Bordeaux Sec AOC is made mostly from Sauvignon blanc and Sémillon, with the addition of some Muscadelle, Colombard, Mauzac, Merlot blanc, Ondenc and Ugni blanc. It must contain no more than