 Complete the following phrase:  Lack of support from the local population meant the Allies entered an almost deserted Madrid and were effectively isolated when Portuguese forces were prevented from crossing into Spain. In November, the Allies left Madrid for Catalonia in separate detachments, one of 5,000 under Stanhope and the second of 12,000 under the Austrian Starhemberg. Stanhopes division was taken by surprise and forced to surrender by a French army led by Louis Joseph, Duke of Vendôme at Brihuega on 9 December 1710. The next day Vendôme followed this up by defeating Starhemberg at 