ˌoʊvɚ ðə jˈɪɹz ʌvðə θˈætʃɚ, mˈeɪdʒɚɹ ænd kˈæmɚɹən ɡˈʌvɚnmənts, sˌiːˌiːˈɛf wʌz ˈæktɪv ɪn səpˈoːɹt ʌv pɹˈoʊjˌʊɹɹəpˈiən kənsˈɜːvətˌɪv pˈɑːlɪsiz ɪŋklˈuːdɪŋ ðə kɹiːˈeɪʃən ʌvðə sˈɪŋɡəl mˈɑːɹkɪt, ðə mˈɑːstɹɪxt tɹˈiːɾi, ɛnlˈɑːɹdʒmənt tʊ ɪŋklˈuːd ðə kˈʌntɹiz ʌv sˈʌðɚn jˈʊɹɹəp ænd lˈeɪɾɚ sˈɛntɹəl ænd ˈiːstɚn jˈʊɹɹəp.
Over the years of the Thatcher, Major and Cameron governments, CEF was active in support of pro-European Conservative policies including the creation of the Single Market, the Maastricht Treaty, enlargement to include the countries of Southern Europe and later Central and Eastern Europe.