Emancipation Proclamation
Answer: A
Explanation
The broad word has been limited in several ways.
It was initially used in the United States because slavery was untouched during that time.
Although it did n't end slavery, it created the right image too many Americans and changed the imaginations of the character of war.
There was an expansion of domains by different troops, and this enabled those who were liberated to become liberators.
After the war ended, hundreds of black soldiers fought and brought freedom in America.