The Underground Railroad Was

The Underground Railroad was:

A) a series of tunnels that ran North through South to help slaves escape.
B) constructed to track escaped slaves and organize slave patrols.
C) made up of abolitionist groups that printed secret newspapers to get the worst impact of slavery out to the public.
D) a series of caves throughout western Kentucky and West Virginia that could house runaway slaves indefinitely.
E) a network of people who were opposed to slavery, sheltered runaway slaves, and expedited their journey to freedom.