On this subject, be sure to read acoup.blog piece on how the Mongol (and other steppe nomads) could raid hundreds of kilometres from their bases by using mares

On this subject, be sure to read acoup.blog piece on how the Mongol (and other steppe nomads) could raid hundreds of kilometres from their bases by using mares that would provide them both drink and food while travelling light and fast (no chariots, no soldiers on foot). Milk as a strategic military advantage!