<prompt> Pedzisa mutsara unotevera: Akabatana nePlaid Cymru muna 1973, mushure mekushamiswa nekambani yaEmrys Roberts musarudzo yeMerthyr Tydfil. Gore rakatevera muna 1974, akatanga kushanda kuPlaid Cymru semukuru weparamende anoongorora. Akaramba ari pachigaro kusvikira muna December 1979; raiva gore rakaoma nokuda kwebato, iro rakanga rakatarisana nekukundwa mu  <response>: Referendamu yeWelsh yekugoverwa uye kurasikirwa kwechigaro chaGwynfor Evans musarudzo huru. Nokuvapo kwakaderedzwa muWestminster bato racho rakanga risingadi vashandi vakawanda veparamende uye Griffiths akaitwa asina basa. 