Gibraltar was effectively blockaded by land but was able to rely on trade with Morocco for food and other supplies.

After ending their war with Napoleonic France, Great Britain was able to marshal more resources to North America and had effectively blockaded the entire eastern coastline.

By mid-September 1914, British and French naval vessels had effectively blockaded the Wouri estuary and the main port of Douala.

Because the lower Mississippi River was being blockaded effectively dividing the Western Confederate states from those east, New Orleans became one of the busiest of ports.

In January 1813, shortly after her arrival she was effectively blockaded by a British squadron of line-of-battle ships and frigates.

The seizure of the airport raised one pressing question that even commanders here said they could not answer: What comes next, now that American forces have effectively blockaded Baghdad from the south and southwest?

By the next evening, the factory was effectively blockaded and supply lines cut.

Her land forces were never a match for the Spartan hoplite, and Sparta was too self-sufficient to be blockaded effectively by the Athenian navy.

The new restrictions have effectively blockaded Najaf, a holy city for Shiites from Iraq and beyond.

For the next five weeks, Barclay was effectively blockaded and unable to move supplies to Amherstburg.