 Complete the following phrase:  During the period of uncertainty in Djibouti, the Duke of Aosta urged an attack on British Somaliland in order to cut off the French colony from British support. Benito Mussolini approved the campaign on 19 July, but the situation in Djibouti changed rapidly in Italys favour after that. The 17th Colonial Brigade under Colonel Agosti occupied the French fort at Loyada on the border with British Somaliland in early August. When the 