Whakakiia te rerenga e whai ake nei: Ko te putanga mai o Plaid Cymru (me te Rōpū Motu o Scotland) i akiaki i te kawanatanga o Wilson ki te whakatu i te Komihana Kilbrandon mo te kaupapa ture. Heoi anō, i whakahētia ngā tono i muri mai mō tētahi Runanga o Wales i roto i tētahi pōtitanga nui.
i te pōti i te tau 1979. Ahakoa te whakakorekore o Plaid Cymru ki te mana whenua (he rereke ki te mana motuhake) na te hua o te pooti i arahi te tokomaha o te roopu ki te patai i tana huarahi.