Nobody is sure exactly when it started......
underground railroads
harriet Tubman
They are called conductors.
Harriet Tubman
They dug a lot f holes
Harriet Tubman thomas garrett and black slaves
juvinial
Many slaves have used the Underground Railroad to become free in Canada.
underground railroads
Their homes and property were used as rest stops for the slaves to stay at.
chacalaca sacka lacka
the people it conducted got rights and no longer needed to run away