Explain the significance of the role of African Americans in the Union war effort during the Civil War.
textbook reference:
Liberty, Equality, Power: A History of the American People,
Volume 1: To 1877
7th Edition, 2020
ISBN-13: 9780357022313
John M. Murrin, Pekka Hmlinen, Paul E. Johnson, Denver Brunsman, James
M. McPherson, Alice Fahs, Gary Gerstle, Emily S. Rosenberg, and Norman L.
Rosenberg
Cengage