Siege of Saïo the Italian dictator, Benito Mussolini, proclaimed the colony of "Africa Orientale Italiana" (AOI, Italian East Africa), formed from Ethiopia (after the Italian victory in the Second Italo-Ethiopian War, fought 3 October 1935 – May 1936) and the existing Italian possessions of Italian Eritrea and Italian Somaliland. On 10 June 1940, Mussolini declared war on Britain and France, which made Italian military forces in Libya a threat to Egypt and those in Italian East Africa a danger to the British and French colonies in East Africa. Italian belligerence also closed the Mediterranean to Allied merchant ships and endangered British supply routes
Italian East Africa Somali Republic. The colony was administered by a Viceroy of Ethiopia and Governor General of Italian East Africa, appointed by the Italian monarch. The dominion was further divided for administrative purposes into six Governorates and forty Commissionerships. Fascist colonial policy in Italian East Africa had a divide and conquer characteristic. In order to weaken the Orthodox Christian Amhara people who had run Ethiopia in the past, territory claimed by Eritrean Tigray-Tigrinyas and Somalis was given to the Eritrea Governorate and Somalia Governorate. Reconstruction efforts after the war in 1936 were partially focused on benefiting the Muslim peoples in the colony