Complex sentence: The battle consisted of a failed counterattack by the Ethiopian forces under Emperor Haile Selassie making frontal assaults against prepared Italian defensive positions under the command of Marshal Pietro Badoglio.
Split into simpler sentences: The battle consisted of a failed counterattack by the Ethiopian forces under Emperor Haile Selassie making frontal assaults against prepared Italian defensive positions. The Italians were under the command of Marshal Pietro Badoglio.