Italian East Africa Ababa, to proclaim an empire by May 1936, making Ethiopia part of Italian East Africa. The Italian victory in the war coincided with the zenith of the international popularity of dictator Benito Mussolini's Fascist regime, during which colonialist leaders praised Mussolini for his actions. Mussolini's international popularity decreased as he endorsed the annexation of Austria by Nazi Germany, beginning a political tilt toward Germany that eventually led to the downfall of Mussolini and the Fascist regime in Italy in World War II. On 10 June 1940, Italy declared war on Britain and France, which made Italian military forces in Libya
African independence movements which the Eritrean people overwhelmingly, 99.8%, voted for independence, Eritrea officially declared its independence and gained international recognition. At the onset of World War I, the Union of South Africa participated in the invasion and occupation of several Allied territories taken from the German Empire, most notably German South-West Africa and German East Africa (Tanzania). Germany's defeat forced the new Weimar Republic to cede its overseas possessions to the League of Nations as mandates. A mandate over South-West Africa was conferred upon the United Kingdom, "for and on behalf of the government of the Union of South Africa", which was