 Complete the following phrase:  During the history of Afghanistan, several superpowers have attempted to invade Afghanistan without maintaining a stable, permanent rule. Modern examples included the British Empire during the first and Third Anglo-Afghan Wars 18391842, 1919, the Soviet Union in the SovietAfghan War 19791989 and the United States in the War in Afghanistan 20012021. Some had attributed ancient empires to the narrative, including the Persians, Greeks, Arabs, Turks and 