He did this at a time when the Constitution, which "tolerated slavery", was the focus of most political discourse.
hiː dˈɪd ðɪs æɾə tˈaɪm wɛn ðə kˌɑːnstɪtˈuːʃən, wˈɪtʃ "tˈɑːlɚɹˌeɪɾᵻd slˈeɪvɚɹi", wʌzðə fˈoʊkəs ʌv mˈoʊst pəlˈɪɾɪkəl dˈɪskoːɹs.