(A) the Constitution
(B) a story from the Bible
(C) Gettysburg Address
(D) ** Emancipation Proclamation
EXPLANATIONS BELOW
Concept note-1: -The proclamation declared, “all persons held as slaves within any States, or designated part of the State, the people whereof shall be in rebellion against the United States, shall be then, thenceforward, and forever free."
Concept note-2: -The official handwritten record of General Order No. 3, is preserved at the National Archives Building in Washington, DC. The National Archives also holds the DC Emancipation Act. On April 16, 1862, President Abraham Lincoln signed a bill ending slavery in the District of Columbia.
Concept note-3: -The Emancipation Proclamation was an executive order issued by Abraham Lincoln on January 1, 1863. It proclaimed the freedom of slaves in the ten Confederate states still in rebellion. It also decreed that freed slaves could be enlisted in the Union Army, thereby increasing the Union’s available manpower.