Complex sentence: In the Battle of Ganale Dorya, General Graziani attacks troops under Ras Desta Damtew, after over three days of slaughter, the Ethiopians break and flee.
Split into simpler sentences: In the Battle of Ganale Dorya, General Graziani attacks troops under Ras Desta Damtew. After more than three days of slaughter, the Ethiopians break and flee.