Domains tried to improve the situation by implementing restructuring domain politics, but this required vast expenditures due to the political strain in the wake of the arrival of the Black Ships and some domain lords (hanchiji) wanted to return their territory before haihan-chiken was implemented.
各藩とも藩政改革を推進してその打開を図ったが黒船来航以来の政治的緊張によって多額の財政出費を余儀なくされて、廃藩置県を前に自ら領土の返上を申し出る藩主（藩知事）さえ出てくる状況であった。