I think the correct answer is B
Ending slavery immediately would have had a devastating effect on the economy which had become dependent on cheap slave labor. It would have also motivated the South to secede. The slaves would have also been left without an immediate source of sustenance.
Answer:
How did the Union take New Orleans, and why was it an important victory? New Orleans was important because it was the largest city in the Confederacy and it was the gateway to the Mississippi River. ... The victory gave the Union control of the Mississippi River valley.
Explanation: