Do you think lincoln was right to wait so long before declaring emancipation? why or why not?

Yes, it re-imagined the war as being about subjugation. The Emancipation Proclamation, or Proclamation 95, was a presidential declaration and official request issued by President Abraham Lincoln on January 1, 1863. It changed the government lawful status of more than 3 million subjugated individuals in the assigned zones of the South from slave to free. When a slave got away from the control of the Confederate government, by fleeing or through advances of elected troops, the slave turned out to be lawfully free.

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