wˈʌn ʌvðə mˈoʊst lˈɪbɚɹəl ɹᵻpˈʌblɪkənz ɪnðə hˈaʊs hˌuː ˈɔfən ɡɑːt ɛndˈoːɹsmənt fɹʌm lˈeɪbɚ jˈuːniənz ænd ðə lˈɪbɚɹəl pˈɑːɹɾi ʌv nˈuː jˈɔːɹk, hˈælpɚn vˈoʊɾᵻd ɪn fˈeɪvɚɹ ʌvðə sˈɪvəl ɹˈaɪts ˈækt ʌv nˈaɪntiːnhˈʌndɹɪd sˈɪksti, ðə sˈɪvəl ɹˈaɪts ˈækt ʌv nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈoːɹ ænd ðə sˈɪvəl ɹˈaɪts ˈækt ʌv nˈaɪntiːnhˈʌndɹɪd sˈɪksti ˈeɪt, æz wˈɛl æz ðə twˈɛnti fˈoːɹθ ɐmˈɛndmənt tə ðə jˈuː.ˈɛs. kˌɑːnstɪtˈuːʃən ænd ðə vˈoʊɾɪŋ ɹˈaɪts ˈækt ʌv nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv.
One of the most liberal Republicans in the House who often got endorsement from labor unions and the Liberal Party of New York, Halpern voted in favor of the Civil Rights Act of 1960, the Civil Rights Act of 1964 and the Civil Rights Act of 1968, as well as the 24th Amendment to the U.S. Constitution and the Voting Rights Act of 1965.