His position required Maehara to confront the vested local government and publicworks interest groups for on-going or planned pork-barrel publicworks projects, including some notoriously wasteful and unnecessary dams.
They hold not only positions traditionally linked to the military -- like the defense secretary -- but also run departments such as publicworks, transportation and local government.
Under the premiership of Junichiro Koizumi, Japan has slashed local-government remittances and spending on the kinds of publicworks that used to bring money to the countryside.
Thousands of candidates from 50 electoral blocs were vying for 378 seats on provincial councils, which hold sway over publicworks projects and other decisions at the local level.
They have borrowed not only for their own direct purposes to build publicworks and housing but also for enterprises known as local-government financing vehicles, whose businesses often have a low rate of return.
Facing local pressure to spend more efficiently, these leaders are canvasing independent opinions on public-works projects and encouraging greater scrutiny of how money is spent.