Okitsugu was able to promote a daring mercantilism policy due entirely to Ieharu's support and, as mentioned later, Okitsugu lost his position upon the death of Ieharu.
意次が大胆な重商主義政策を推進し得たのも家治の後援あってのことであり、後述する通り家治の死によって意次は失脚する。