The once-marshy plain of Kanto is Tokyo's hinterland, the region where the feudal warlords set up their military bases and administrative headquarters.
Kanto was an agricultural area, never used for war.
mnli hypothesis: Kanto was an agricultural area, never used for war. premise: The once-marshy plain of Kanto is Tokyo's hinterland, the region where the feudal warlords set up their military bases and administrative headquarters.