The answer is C. Put young American men back to work.
Racial feelings with freed slaves
A major challenge during the Reconstruction was a lack of political focus which led to a failure to solve sectional wounds. It also resulted in the elimination of the freed slaves' newly gained civil liberties and ultimately failed to bring about long-term racial integration.
You can learn about the past and how you can improve on what happened in the past so it won't happen in the future
Its either C or D, but C seems closer.