As soon as Europeans began to settle in America, in the early 16th century, they imported enslaved Africans to work for them.
1865) Reconstruction Amendments, 1865-1870 •
Blood Legacy: Reckoning With a Family's Story of Slavery - The National Archives Shop
Slavery and American Independence
About this Collection, Born in Slavery: Slave Narratives from the Federal Writers' Project, 1936-1938, Digital Collections
The White House and Reconstruction - White House Historical Association
Slavery and Emancipation in BZ by ISCR NICH PDF, PDF, Abolitionism
Slaves Built the White House and Capitol - See the Records
Slavery is Abolished
National Archives Fine Books & Collections