Answer:
Following Beauregard's bombardment in 1861, Confederate forces occupied Fort Sumter and used it to marshal a defense of Charleston Harbor. Once it was completed and better armed, Fort Sumter allowed the Confederates to create a valuable hole in the Union blockade of the Atlantic seaboard.
Explanation:
So in other words B.
C. Perfect competition
This is an unlikely scenario in which buyers and sellers all get to be perfectly informed as to all of the present options for quality, price, etc.
