They were blockaded, generally successfully from the North's point of view.
Blockade
Blockading the Southern ports.
To prevent the South from exporting its plentiful cotton in exchange for war supplies.
The Union Navy blockaded them
Yes, throughout the entire Civil War.
France
The blockage was more effective toward the end of the war.
The blockade was more effective toward the end of the war.
The blockage was more effective toward the end of the war.
The Union navy was mostly used to blockade principal southern ports
The Naval blockade of Southern ports.
A highly successful tactic that prevented war supplies reaching the Confederacy.