History of French foreign relations of construction materials (especially concrete), tanks (because of lack of road access and difficulty in the jungle terrain), and air cover precluded an effective defense, culminating in a decisive French defeat at the Battle of Dien Bien Phu. At the international Geneva Conference on July 21, 1954 the new socialist French government and the Việt Minh made an agreement that was denounced by the government of Vietnam and by the United States, but which effectively gave the Communists control of North Vietnam above the 17th parallel. South Vietnam, with heavy American support. continued under Emperor Bảo Đại. In 1955 Bảo
Paris in the 17th century Saint-Marcel, along the River Bievre, which was quickly polluted by the workshops and dye vats along its banks. The largest workshops there, which made the fortunes of the families Gobelin, Canaye and Le Peultre, were dyeing six hundred thousand pieces of cloth a year in the mid-16th century, but, because of growing foreign competition, their output dropped to one hundred thousand pieces at the start of the 17th century, and the whole textile industry was struggling. Henry IV and Louis XIII observed that wealthy Parisians were spending huge sums to import silks, tapestries, glassware leather goods and carpets from Flanders,