Answer:
On September 22, 1862, President Abraham Lincoln issued the preliminary Emancipation Proclamation, which declared that as of January 1, 1863, all slaves in the states currently engaged in rebellion against the Union “shall be then, thenceforward, and forever free.”
Lincoln didn’t actually free any of the approximately 4 million men, women and children held in slavery in the United States when he signed the formal Emancipation Proclamation the following January. The document applied only to enslaved people in the Confederacy, and not to those in the border states that remained loyal to the Union.
But although it was presented chiefly as a military measure, the proclamation marked a crucial shift in Lincoln’s views on slavery. Emancipation would redefine the Civil War, turning it from a struggle to preserve the Union to one focused on ending slavery, and set a decisive course for how the nation would be reshaped after that historic conflict.
Lincoln’s Developing Views on Slavery
Sectional tensions over slavery in the United States had been building for decades by 1854, when Congress’ passage of the Kansas-Nebraska Act opened territory that had previously been closed to slavery according to the Missouri Compromise. Opposition to the act led to the formation of the Republican Party in 1854 and revived the failing political career of an Illinois lawyer named Abraham Lincoln, who rose from obscurity to national prominence and claimed the Republican nomination for president in 1860.
Lincoln personally hated slavery, and considered it immoral. "If the negro is a man, why then my ancient faith teaches me that `all men are created equal;' and that there can be no moral right in connection with one man's making a slave of another," he said in a now-famous speech in Peoria, Illinois, in 1854. But Lincoln didn’t believe the Constitution gave the federal government the power to abolish it in the states where it already existed, only to prevent its establishment to new western territories that would eventually become states. In his first inaugural address in early 1861, he declared that he had “no purpose, directly or indirectly, to interfere with slavery in the States where it exists.” By that time, however, seven Southern states had already seceded from the Union, forming the Confederate States of America and setting the stage for the Civil War.
First Years of War
At the outset of that conflict, Lincoln insisted that the war was not about freeing the South’s slaves but about preserving the Union. Four border slave states (Delaware, Maryland, Kentucky and Missouri) remained on the Union side, and many others in the North also opposed abolition. When one of his generals, John C. Frémont, put Missouri under martial law, declaring that Confederate sympathizers would have their property seized, and their slaves would be freed (the first emancipation proclamation of the war), Lincoln directed him to reverse that policy, and later removed him from command.
But hundreds of enslaved men, women and children were fleeing to Union-controlled areas in the South, such as Fortress Monroe in Virginia, where Gen. Benjamin F. Butler had declared them “contraband” of war, defying the Fugitive Slave Law mandating their return to their owners. Abolitionists argued that freeing the South’s slaves would help the Union win the war, as slave labor was vital to the Confederate war effort.
In July 1862, Congress passed the Militia Act, which allowed black men to serve in the U.S. armed forces as laborers, and the Confiscation Act, which mandated that slaves seized from Confederate supporters would be declared forever free. Lincoln also tried to get the border states to agree to gradual emancipation, including compensation to slaveholders, with little success. When abolitionists criticized him for not coming out with a stronger emancipation policy, Lincoln replied that he valued saving the Union over all else.
“My paramount object in this struggle is to save the Union and is not either to save or to destroy slavery,” he wrote in an editorial published in the Daily National Intelligencer in August 1862. “If I could save the Union without freeing any slave I would do it, and if I could save it by freeing all the slaves I would do it; and if I could save it by freeing some and leaving others alone I would also do that.”
From Preliminary to Formal Emancipation Proclamation
Abraham Lincoln reading the Emancipation Proclamation before his cabinet.
Step-by-step explanation: