Nat Turner's Rebellion: An armed rebellion led by slave Nat Turner in Virginia in 1831, resulting in the deaths of many white inhabitants before being suppressed.
Emancipation Proclamation: A presidential proclamation issued by Abraham Lincoln during the Civil War that declared all slaves held within Confederate territory to be freed.
Second Great Awakening: A religious revival movement in the early 19th century that emphasized individual salvation and helped fuel moral opposition to slavery.