티에우찌
Ming Man's successor, Thiệu Trị, upheld the anti-Catholic policy of his predecessor. In 1843, the French Foreign Minister François Guizot sent a fleet to Vietnam under Admiral Jean-Baptiste Cécille and Captain Charner. The action also was related to the British successes in China in 1842, and France hoped to be able to establish trade with China from the south. The pretext was to support British efforts in China, and to fight the persecution of French missionaries in Vietnam.