Kubuda kwePlaid Cymru (pamwe chete neScottish National Party) kwakakurudzira hurumende yaWilson kuti igadzire Kilbrandon Commission pamusoro pemutemo. Zvikarakadzo zvakatevera zveGungano reWales, zvisinei, zvakarohwa zvikuru murondedzero muna 1979
. Pasinei zvapo nokusava nechokwadi kwePlaid Cymru pamusoro pokutonga kwomunzvimbomo (mukupesana norusununguko rwakakwana) mugumisiro werondedzero yakatungamirira vazhinji mubato kuti vabvunze nhungamiro yaro.