"The greater and lesser daimyo [lords] of the provinces and all their salaried officials must speedily expel any soldiers in their service who have been accused of rebellion or murder. . . . Any repairs to castles in the provinces must be reported to the government of the shogun [ruler of Japan], as well as any new construction, which is strictly forbidden. Walls extending more than a certain distance are a peril to the state. High fortresses and well-dredged moats are the origins of great turmoil. . . . [When reporting for duty] daimyo with larger estates should not be escorted by more than twenty mounted warriors. Daimyo with smaller estates should reduce their escort proportionally." Decree issued by the newly established Tokugawa Shogunate concerning the regulation of warrior households, Japan, 1615

a) Identify ONE purpose of the decree.

b) Identify ONE way in which the decree reflects the historical situation of the period 1450–1750 in ter