Final answer:
Abraham Lincoln's belief in freeing slaves, the impact of the Emancipation Proclamation, and the lasting effects of the proclamation.
Explanation:
Abraham Lincoln believed that freeing southern slaves would hasten the end of the war as it would weaken the Confederacy's labor force and bolster the Union Army with African American soldiers.
While the Emancipation Proclamation did not immediately free all enslaved individuals, it set in motion events that gradually led to liberation as Union troops gained ground in the South, causing slaves to seek refuge and support from them.
The proclamation also had long-lasting effects, such as the recruitment of nearly 200,000 black soldiers into the Union Army and the eventual downfall of slavery, as highlighted in Lincoln's Second Inaugural Address.
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