How did the military strategies of the North compare to those of the South during the capture of Port Royal?

The North withdrew the naval blockade and turned their focus to taking
Southern land, while the South took back Port Royal and resumed trade.

The North defended their naval blockade, as the South attempted to use their superior knowledge of the area to launch a surprise attack on them.

The North enlisted black soldiers to fight alongside them, while the Southern
plantation owners promised freedom after the war if they did not.

The North attacked sea islands near Charleston to strengthen the naval
blockade, while the South was caught by surprise and put on the defensive.