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Slavery officially became illegal with the ratification of the Thirteenth Amendment to the United States Constitution. Congress passed it on January 31, 1865, and it was ratified on December 6, 1865. A great many slaves had already escaped or joined the Union army, so it can be said the Civil War actually ended slavery.
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Earn +20 ptsQ: When was slavery outlawed in America?
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Continue Learning about U.S. History
By what year had most of the north outlawed slavery?
The North never had slavery.
What year was slavery outlawed in US?
1808
Was slavery in the US in 1904?
No. It was outlawed in 1867.
What was the north's point of view of slavery?
Most Northern states outlawed slavery
Was slavery outlawed in the north in the early 1800's?
All slavery north of the Ohio river was outlawed between 1776 and 1804. So basically it was outlawed late 1700's, early 1800's
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