Whakakiia te rerenga e whai ake nei: I te tau 1971, i te taha matau o te Rōpū Mahi, ko Davies tetahi o nga mema 69 o te Rōpū Mahi i whakahe i te Whip Labour ki te pooti i te uru atu ki te EEC. I pakanga ia mō te pōti 'Kāore' i te
1979 referendum in Wales on the establishment of a Welsh Assembly, together with other members of the 'Gang of Six', Neil Kinnock, Leo Abse, Donald Anderson, Alfred Evans and Ioan Evans. I te tau 1979 i Wales i runga i te whakatū i tētahi Runanga o Wales, me ētahi atu mema o te 'Gang of Six', Neil Kinnock, Leo Abse, Donald Anderson, Alfred Evans me Ioan Evans. I te wa katoa o tana mahi hei MP, i tautokohia ia e te uniana whero-kera APEX.