How did the civil war bring about the abolition of slavery?

Slaves saw emancipation as more than an end to slavery, but also education, voting rights, and rights before the law. The 13th Amendment passed in January 1865 ending slavery in the Union and ensuring that under US control, slaves in the south would be freed.

Explanation:

Due to Union measures such as the Confiscation Acts and Emancipation Proclamation in 1863, the war effectively ended slavery, even before ratification of the Thirteenth Amendment in December 1865 formally ended the legal institution throughout the United States.

By mid-1862, as thousands of slaves fled to join the invading Northern armies, Lincoln was convinced that abolition had become a sound military strategy, as well as the morally correct path. On September 22, soon after the Union victory at Antietam, he issued a preliminary Emancipation Proclamation, declaring that as of January 1, 1863, all slaves in the rebellious states “shall be then, thenceforward, and forever free.” While the Emancipation Proclamation did not free a single slave, it was an important turning point in the war, transforming the fight to preserve the nation into a battle for human freedom.

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explanation: