Answer: Southern devotion to the “peculiar institution”—that many enslaved people were truly content in bondage—and convinced Lincoln that emancipation had become a political and military necessity. In response to Lincoln’s Emancipation Proclamation, which freed more than 3 million enslaved people in the Confederate states by January 1, 1863, Black people enlisted in the Union Army in large numbers, reaching some 180,000 by war’s end.
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