Complex sentence: On 19 August, the Italians took control of Berbera and then moved down the coast to complete their conquest of British Somaliland and the colony was annexed by Mussolini to the Italian Empire as a part of Italian East Africa.
Split into simpler sentences: On 19 August, the Italians took control of Berbera and then moved down the coast to complete their conquest of British Somaliland. The colony was annexed by Mussolini to the Italian Empire as a part of Italian East Africa.