How did the military strategies of the North compare to those of the South during the blockade of Charleston?

A. The south created a blockade to protect charleston, while the north attempted to break through.

B. The Union army moved into the southern Territory on land and sea, while the South prepared to defend its port cities.

C. While the union created a naval blockade on Southern ports, The south employed blockade runners to continue their trade effects.

D. The south met the north at sea to put an end to the Union naval blockade and restore control over southern ports.

PLEASE HELP M