The use of these ports had been retained by the United Kingdom under the Anglo-Irish Treaty that ended the Anglo-Irish War.
ðə jˈuːs ʌv ðiːz pˈoːɹts hɐdbɪn ɹᵻtˈeɪnd baɪ ðə juːnˈaɪɾᵻd kˈɪŋdəm ˌʌndɚ ðɪ ˈæŋɡloʊˈaɪɹɪʃ tɹˈiːɾi ðæt ˈɛndᵻd ðɪ ˈæŋɡloʊˈaɪɹɪʃ wˈɔːɹ.