Corsica a nationalist movement was born in the 1920s around the newspaper "A Muvra", having as its objective the autonomy of the island from France. In the 1930s, many exponents of this movement became irredentist, seeing annexation of the island to fascist Italy as the only solution to its problems. Under Benito Mussolini annexation of Corsica had become one of the main goals of Italy's unification policy. After the collapse of France to the German Wehrmacht in 1940, Corsica came under the rule of the Vichy French regime, which was collaborating with Nazi Germany. In November 1942 the island, following the
Roman Catholic Diocese of Mariana in Corsica Corsica", bishop in Corsica, not bishop of Corsica. Leo had been sent by the Pope as an Apostolic Visitor, since, as the Pope notes, the dioceses of Corsica had long been vacant. The fourteenth century was a period of extreme crisis in Corsica. Roger Caratini notes that the population of ordinary people on the island had decreased by 8% between 1300 and 1350, mostly by migration to the territory of Pisa; then came the Black Death; between 1350 and 1400 the population decreased another 19%. The ability to maintain traditional institutions in the face of the new Genoese overlords was