A. African Americans left the South for border states.
B. African Americans staged work slowdowns.
C. African Americans provided nursing care.
D. African Americans stayed and continued to work hard.
Answer:
B. African Americans staged work slowdowns
Explanation:
Enslaved African American contributed to the Union war effort in varieties of way both in active and passive way. Some of these ways includes but not limited to slowdowns and absenteeism to negotiate some of the terms of their labor, breaking tools, feigning illness and committing acts of arson.
