 Complete the following phrase:  The military history of Ethiopia dates back to the foundation of early Ethiopian Kingdoms in 980 BC. Ethiopia has been involved many of the major conflicts in the horn of Africa, and was one of the few native African nations which remained independent during the Scramble for Africa, managing to create a modern army. 19th and 20th century Ethiopian Military history is characterized by conflicts with the Dervish State, Mahdist Sudan, Egypt, and Italy which annexed Ethiopia to Italian East Africa, for 5 years until its liberation during WWII, and later by a 