lafayette helped to outlaw slavery by being a spy
1805
Pennsylvania was the first state to outlaw the importation of blacks for slavery in 1682.
abolitionists
the north
it was outlawed in 1848
The US State of Vermont-colony was the first state to outlaw slavery. The date was 1777.
He did in 1865
Abolitionists
Slavery. See related questions.
Mississippi did not outlaw slavery until 1995. No that is not a typo.
Georgia Colony
In 1793, Upper Canada, now Ontario, passed the Act Against Slavery, making it the first British colony to outlaw slavery. The former 13 colonies wouldn't outlaw slavery for another seven decades.