The underground railroad physically resisted the repressive laws that held slaves in bondage, by provoking fear and in anger in the south, and prompting the enactment of harsh legislation that eroded the rights of white Americans, the Underground Railroad was a direct contributing cause of the Civil War.
Some would fight off soldiers to flee and sacrifice themselves so other Natives from their tribe could stay. The Seminole refused to leave and started a war called the Second Seminole War. Another war caused by refusual to leave was the Black Hawk War.
