mˈɑːɹtɪn vˈæn bjˈʊɹɹən hæd nˈoʊ ɛkspɪktˈeɪʃən ʌv wˈɪnɪŋ, bˌʌt hɪz ɪŋkɹˈiːsɪŋli ˈæntaɪslˈeɪvɚɹi vjˈuːz kˈɔːzd hˌɪm tʊ əpˈoʊz kˈæs, ænd hiː ˈɔːlsoʊ hˈoʊpt tʊ ɛɡzˈækt ɐ mˈɛʒɚɹ ʌv ɹᵻvˈɛndʒ, sˈɪns kˈæs wʌz ˌɪnstɹəmˈɛntəl ɪn dᵻnˈaɪɪŋ mˈɑːɹtɪn vˈæn bjˈʊɹɹən ðə dˌɛməkɹˈæɾɪk nˌɑːmᵻnˈeɪʃən ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi fˈoːɹ.
Martin Van Buren had no expectation of winning, but his increasingly anti-slavery views caused him to oppose Cass, and he also hoped to exact a measure of revenge, since Cass was instrumental in denying Martin Van Buren the Democratic nomination in 1844.