I might be wrong but I believe it's either A or D.
the answer is B )upheld the Rosenbergs’ conviction.)
Answer:
C would be the best answer.
Lincoln thought of the Southern secession as "artificial." When Jefferson Davis sent a group of commissioners to Washington to negotiate for the transfer of Fort Sumter to South Carolina, they were promptly rebuffed. ... He would send no arms, troops, or ammunition — unless, of course, South Carolina attacked.