ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti nˈaɪn dˈeɪɾɚ wʌz wˈʌn ʌv fˈaɪv lˈiːdɚz hˌuː mˌeɪd ɐ pɹˌɛzəntˈeɪʃən tə bɹˈɪɾɪʃ pˈɑːɹləmənt ɐbˌaʊt ðə kənsˈɜːnz ʌv ɪndˈɪdʒənəs pˈiːpəlz ɪn kˈænədɚ ɹᵻɡˈɑːɹdɪŋ ðə nˈuː kˌɑːnstɪtˈuːʃən.
in 1979 Deiter was one of five leaders who made a presentation to British Parliament about the concerns of Indigenous Peoples in Canada regarding the new Constitution.