Woman Realizes That Her House Is Linked To A Dark Past Regarding The U.S. History

 Underground Railroad- A Black History

If you live in Pennsylvania then you should know that historic sites from the underground railroad are spread out all over the state. Underground railroad is an essential piece of the horrific history of African Americans. There were some group of people(Quakers) who empathized with slaves and their condition and risked their own lives to save them from slavery.
Historian has no idea when this underground railroad came into existence, but it operated during the late 18th century.