Complex sentence: The Duke of Aosta had ordered Agordat and Barentu to be defended to the last man, because the terrain would nullify British superiority in tanks and wheeled vehicles but on 3 February, Wavell ordered Platt to capture Keren and Asmara.
Split into simpler sentences: The Duke of Aosta had ordered Agordat and Barentu to be defended to the last man, because the terrain would nullify British superiority in tanks and wheeled vehicles. On 3 February, Wavell ordered Platt to capture Keren and Asmara.