The Underground Railroad from Slavery to Freedom: A comprehensive history
CHAPTER II
ORIGIN AND GROWTH OF THE UNDERGROUND ROAD
Conditions under which the Underground Road originated 17
The disappearance of slavery from the Northern states 17
Early provisions for the return of fugitive slaves 19
The fugitive slave clause in the Ordinance of 1787 20
The fugitive slave clause in the United States Constitution 20
The Fugitive Slave Law of 1793 21
The Fugitive Slave Law of 1850 22
Desire for freedom among the slaves 25
Knowledge of Canada among the slaves 27
Some local factors in the origin of the underground movement 30
The development of the movement in eastern Pennsylvania, in New Jersey, and in New York 33
The development of the movement in the New England states 36
The development of the movement in the West 37
The naming of the Road 44