Ka āhei te pōraruraru kē atu i te wā he hītori hekenga, he tauwhāinga rānei o te hekenga me te iwi whānui o tētahi rohe i tukuna, e taea ai te whakatika atu ki ngā tautohetohe mō ngā tohutohu me te rangatiratanga o te whenua me ngā rawa.