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
Italian guerrilla war in Ethiopia to accept an Italian protectorate with these conditions: In the summer of 1942, the most successful units were those led by Colonel Calderari in Somalia, Colonel Di Marco in the Ogaden, Colonel Ruglio amongst the Danakil and "Blackshirt centurion" De Varda in Ethiopia. Their ambushes forced the British to dispatch troops, with airplanes and tanks, from Kenya and Sudan to the guerrilla-ridden territories of the former Italian East Africa. That summer, the British decided to put most of the Italian population of coastal Somalia into concentration camps, in order to avoid their possible contact with Japanese submarines. In October 1942,