Respuesta :
Answer:
A. the troops were African
Abraham Lincoln signed the EP
to release the slaves to fight in the war to fight the confederates
The reason this attack was unique for the Union army was that The troops were African American.
African Americans in the Union Army
- Only joined after 1862 as a result of the Emancipation Proclamation.
- Fought the Battle of Fort Wagner.
The bravery shown by the African Americans in this battle earned them high praise and reduced hesitation to allow more African Americans into the Union Army.
In conclusion, option A is correct.
Find out more on the Union Army at https://brainly.com/question/815657.