On What Basis Did President Lincoln Claim the Right to Direct

On what basis did President Lincoln claim the right to direct Reconstruction?

A) Congress had legislated it.
B) Lincoln cited the precedent of incorporating the southwestern territories into the U.S. after the Mexican War.
C) The Supreme Court had decided it was Lincoln's responsibility.
D) Lincoln claimed constitutional provisions pertaining to presidential power gave him the authority.
E) The former Confederate states had requested presidential not congressional supervision.