 45 and 46.In July 1884 Courbet was ordered to concentrate part of the squadron at Fuzhou, to threaten the Fujian fleet (one of China's four regional fleets) and the Foochow Navy Yard.Negotiations between France and China to resolve the crisis over the Bắc Lệ ambush broke down in mid- August and on 22August Courbet was ordered to attack the Chinese fleet at Fuzhou.