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The Pennsylvania Abolition Society
In 1775 the Pennsylvania Abolition Society was the first abolitionist group in what is now the USA. -
Massachusetts outlawed slavery
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Slavery and Middle Passage
11 million slaves crossed the Atlantic, a trip known as the middle passage. -
The Missouri Compromise
The Missouri compromise of 1820 prohibited slavery north of 36-30 line. -
Dred Scott
He sued for his right to freedom based on the fact that he had lived in a free state. -
Emancipation Proclamation
Issued during the civil war by President Abraham Lincoln on January 1, 1863
