Emancipation Proclamation: The Emancipation Proclamation was an executive order issued by President Abraham Lincoln during the Civil War that declared all slaves in Confederate territory free.
13th Amendment: The 13th Amendment is an amendment added to the U.S. Constitution in 1865 that abolished slavery and involuntary servitude throughout the United States.
Underground Railroad: The Underground Railroad was not legislation but rather a network of secret routes and safe houses used by enslaved African Americans during the mid-19th century in their escape to free states and Canada.