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.
Longitudes meet at the two poles, each longitude is a semi-circle.latitude never meet, all of which are parallel