በ1860ዎቹ የአሜሪካ የእርስ በርስ ጦርነት ሲያልቅ ባርነትን የሚሽር ህገመንግስታዊ ድንጋጌ 13ኛው የሕገ መንግስት ማሻሻያ (13th amendment) ፀደቀ።
After the North's victory in the Civil War, slavery was abolished in 1865 by the 13th Amendment to the U.S. Constitution.