<prompt> Kupindura kumuka kwePlaid Cymru neScottish National Party SNP Hurumende yeLabour yaHarold Wilson yakagadza Royal Commission paBumbiro Kilbrandon Commission kuti iongorore hurongwa hwebumbiro reUnited Kingdom muna 1969. Zvikurudziro zvayo pakupedzisira zvakaumba hwaro hwe 1974 White Paper Democracy and Devolution: proposals for Scotland and Wales., iyo yakakurudzira kugadzirwa kweGungano reWales. Zvisinei, vavhoti vakaramba zvikarakadzo nechiverengero chikuru chavana kuna mumwe mureferendamu yakaitwa muna 1979  <response>: . 