You probably think? Why on earth wouldn't they chose for their own interest and fire those employees. To fully appreciate this we need to look at the keyfacts of Japanese history. And especially the beginning of the Tokugawa period in Japan in 1603. After centuries of civil war Japan finally was united and at peace. The new government under ShogunTokugawa Lesaya implemented a number of measures and rules to ensure the unity and and peace would last.