The Union blockade of Southern ports prevented the Confederacy from exporting its plentiful cotton in exchange for the war supplies it so desperately needed.
The ships were positioned as a blockade just outside of the harbor.
That pirate won't get past our blockade this time, sir.
they put up a Blockade. The blockade stopped us from getting in.
A blockade is shutting off an area by troops.
The troops tried to send in supplies but there was a blockade and they were not able to deliver them.
A blockade runner ran through a naval base.
The pirate ships will often try to run through our blockade.
The naval blockade was no match for our cutters.
A harbor may be protected from pirates by establishing a naval blockade. The fugitives were unable to crash through the police blockade.
A hearty pirate ship makes for a good blockade runner.
The military erected a blockade to prevent any unauthorized access to the sensitive area.
I got through the blockade with nary a scratch.