The first abolition organization formed in the United States was the [[Pennsylvania Abolition Society]], originally known as the Society for the “Relief for Free Negroes unlawfully held in Bondage,”, in 1775.<ref>http://www.hsp.org/default.aspx?id=634</ref> Organizations such as these made use of the [[Underground Railroad]], a loosely organized system for secretly transporting southern slaves into the free northern states. | The first abolition organization formed in the United States was the [[Pennsylvania Abolition Society]], originally known as the Society for the “Relief for Free Negroes unlawfully held in Bondage,”, in 1775.<ref>http://www.hsp.org/default.aspx?id=634</ref> Organizations such as these made use of the [[Underground Railroad]], a loosely organized system for secretly transporting southern slaves into the free northern states. |