text: Soldiers during this war sang the marching song "Little Black Face."
full_question: Soldiers during this war sang the marching song "Little Black Face." A man known as the "Eagle of Harlem," Hubert Julian, headed an air force composed of three planes during this war. The occupation begun during this war was later opposed by the Gideon Force. This war was sparked by the shooting of several askaris during the construction of a fort in the Wal-Wal incident. One side of this war was secretly offered two thirds of another country in exchange for peace in the Hoare-Laval Pact. Mustard gas was used during this war by General Pietro Badoglio. The aggressor in this war sought to reverse the humiliating Treaty of Wuchale, which was signed decades earlier after its loss at the Battle of Adowa to Menelik II. For 10 points, name this conflict in which an African country under Haile Selassie was invaded by Benito Mussolini.
first_sentence: Soldiers during this war sang the marching song "Little Black Face."
raw_answer: Italian invasion of Ethiopia [or Second Italo-Ethiopian War; or obvious equivalents; accept Abyssinia for Ethiopia; prompt on partial answers] 