Nzira yekuzvimiririra yekoloni yeBritish Empire yakatanga ne1839 Durham Report, iyo yakapa kubatana uye kuzvitonga kweAustralia neUpper neLower Canada, semhinduro yekusagadzikana kwezvematongerwo enyika kwakanga kwatanga mukupandukira kwezvombo muna 1837. Izvi zvakatanga nekupfuura kweMutemo weMubatanidzwa muna 1840, iyo yakagadzira Dunhu reCanada. Hurumende ine mutoro yakatanga kupihwa Nova Scotia muna 1848, uye yakakurumidza kuwedzerwa kune mamwe maBritish North America makoloni. Nekupfuura kweBritish North America Act, 1867 neBritish Parliament, Upper neLower Canada, New Brunswick neNova Scotia zvakaumbwa muCanada, mubatanidzwa unofarira kuzvitonga kuzere kunze kwehukama hwepasi rose. Australia neNew Zealand yakawana huwandu hwakazara hwekuzvitonga mushure me1800, nekutungamira kwekoloni dzeAustralia muEaster muna 1800. Mutemo weUnited States wakatanga muna 1840, iyo yakatsigira hutongi hweUnited Kingdom.
angadai akapa Ireland kuzvitonga kuzere mukati meUK kudarika mapurovhinzi eCanada aiva nawo mukati mehurumende yawo