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Confidence votes 139. Slavery was officially abolished in the United States in 1865 (by the enactment of the 13th Amendment to the Constitution), although many states abolished slavery for themselves at various dates between 1777 and 1864 and the transport of new slaves from Africa to the US was stopped as early as 1808.
When Brazil abolished slavery in 1888, slavery in the Western Hemisphere was effectively ended. In all but two of these countries, the United States and Haiti, the end of slavery occurred without widespread violence. Peaceful emancipation, then, was not only possible, but was the norm.etween the beginning of the nineteenth century and the outbreak of the Civil War, at least 15 countries in Europe and Central and South America abolished slavery or put it on the path to extinction.