Many people did so, from Stephenson to Brunel
trains
a railroad
Harriet Tubman
The Underground Railroad was the name of the system that helped runaway slaves escape to freedom in the northern states and Canada. It was a network of routes and safe houses operated by abolitionists and sympathetic individuals.
In the US it was called the Underground Railroad
The Underground Railroad was the name given to the system by which escaped slaves from the South were helped in their flight to the North. It is believed that the system started in 1787. The Underground Railroad was at its height between 1850 and 1860.
stoicism
D.It was a secret system which helped slaves escape to reedom.
Edwin Sandys
Yes, they used a system of safe-houses to help them escape into Canada.
Over 300 slaves safely fled the South by using a system known as the Underground Railroad.
It helped know the religion of that country