What became a key component of the Underground Railroad in the 1850s?
Abolitionists finally agreed to participate in hiding and moving slaves to
Slave catchers also employed the Underground Railroad to return slaves to
The Erie Canal became the primary means to get slaves to freedom in
Connections for ships going to Africa were added to the Underground Railroad
so that slaves could find a safe refuge among their ancestors.
Trains were used more frequently to take slaves to Canada and freedom.