Animation showing which areas of the United States did and did not allow slavery between 1789 and Lincoln's inauguration in 1861. The animation includes a 5 second frame on 1789, 1800, 1821, 1837, The unrealized 1846 Wilmot Proviso, 1846, 1858, and 1861. The map colorings of some areas require further comment. New York (1799) and New Jersey (1804) adopted laws gradually freeing enslaved people, but some people in these states remained enslaved until 1824 (NY) and 1865 (NJ). Territories and states which had not specifically banned slavery are colored red/pink.
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