A monopoly on this practice was the major factor in the Ajuran Sultanate's conquest of the Horn of Africa.
A monopoly on this practice was the major factor in the Ajuran Sultanate's conquest of the Horn of Africa. The merchant Nabataean Kingdom received their Aramaic name from their mastery of this practice. Para·krama·bahu I, of the Sri Lankan Polon·naru·wa Kingdom, devoted his life to developing this practice in the form of wevas. Historian Karl Wittfogel argued that mastery over this technology was the key to the "oriental despotism" of civilizations like Peru and China. The Achaemenid Empire's qanat are still-in-use examples of this technology, and the Khmer Empire fell with a decline in their variant on this technology, the baray. In Ancient Egypt, this technology involved a lever attached to a fixed beam called the shaduf. During the Hellenistic Era, this technology was advanced by Archimedes' Screw. For 10 points, name this technology used by ancient civilizations to create wells and reservoirs.
A monopoly on this practice was the major factor in the Ajuran Sultanate's conquest of the Horn of Africa.
irrigation [or water distribution; or water management]