Lincoln pressured border states to outlaw slavery, and he promoted the Thirteenth Amendment to the U.S. Constitution, which abolished slavery, except as punishment for a crime.
lˈɪŋkən pɹˈɛʃɚd bˈoːɹdɚ stˈeɪts tʊ ˈaʊtlɔː slˈeɪvɚɹi, ænd hiː pɹəmˈoʊɾᵻd ðə θˈɜːtiːnθ ɐmˈɛndmənt tə ðə jˈuː.ˈɛs. kˌɑːnstɪtˈuːʃən, wˌɪtʃ ɐbˈɑːlɪʃt slˈeɪvɚɹi, ɛksˈɛpt æz pˈʌnɪʃmənt fɚɹə kɹˈaɪm.