 Additionally, the new Cabinet Office was composed with advisory councils, appointed from both within and outside the government, to the prime minister on economic and fiscal policies.Hashimoto, furthermore, used exactly the same method by which the powerful bureaucracies maintained their authority.If the economic bureaucracy in the 1960s and 1970s imposed on the Prime Minister's office and the Diet their own members as a method to secure supremacy over policy-making decision, then Hashimoto also increased the power of political leaders by replacing vice ministers with Diet members whom he trusted.