In the early Edo period, the Edo bakufu (Japanese feudal government headed by a shogun) was wary of tozama daimyo, and condemned them for minor deficiencies, which often resulted in sanction called kaieki: sudden dismissal and deprivation of position, privileges and properties.
江戸時代の初期には江戸幕府に警戒され些細な不備を咎められ改易される大名も多かった。