President Lincoln was unsure of his authority to do which of the following A. Engage in a Civil War

B. Allow African-Americans to join the military

C. Emancipate the slaves

D. Tax and spend

C

Explanation:

The President has the power to do A and D and he was most know for C

pretty sure it is c

explanation:

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!