During the civil war, harriet tubman was?
a. a nurse on the battlefield.
b. a spy for the confederacy.
c. a railroad employee.
d. a spy for the union.

D. A spy for the union

Explanation:

She went back into the south many times to rescue enslaved people so she was also able to spy for the union.

Please give brainliest :D

b

explanation:

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.