+Abraham Lincoln, the 16th [President](/wiki/president) of the United States, guided the nation through its darkest hour, the [Civil War](/wiki/civil_war). His resolute leadership preserved the [Union](/wiki/union) and abolished slavery, leaving an indelible mark on American history.
+## See also
+- [American History](/wiki/american_history)
+- [Emancipation](/wiki/emancipation)
+- [Gettysburg](/wiki/gettysburg)
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