French Sudan elections held in French Sudan in 1957, the African Democratic Rally ("Rassemblement Démocratique Africain", commonly known as the RDA) won the elections in French Sudan, as well as winning majorities in neighboring Ivory Coast, French Guinea, and the Upper Volta. Following the French constitutional referendum of 1958, of which received an overwhelming majority in support, the "République Soudanaise" declared itself a republic with internal autonomy on 24 November 1958. The Sudanese Republic, as the area was now called, was the second colony after Madagascar to join the French Community, which provided it internal autonomy while linking its currency, foreign policy
French colonial empire border as a warning sign. Napoleon III pulled the French troops out, and the "emperor" he had imposed on Mexico was captured and shot. Most Frenchmen ignored foreign affairs and colonial issues. In 1914 the chief pressure group was the "Parti colonial", a coalition of 50 organizations with a combined total of only 5000 members. It was only after its defeat in the Franco-Prussian War of 1870–1871 and the founding of the Third Republic (1871–1940) that most of France's later colonial possessions were acquired. From their base in Cochinchina, the French took over Tonkin (in modern northern Vietnam) and Annam