* Simple: The enemy imposed a blockade on the city, preventing supplies from entering.
* Figurative: The mountain range created a natural blockade, making travel difficult.
* Specific: The blockade of the port lasted for months, causing widespread famine.
* Historical: The British blockade of Germany during World War I had a devastating impact on the civilian population.
* Modern: The protesters set up a blockade on the highway, demanding action on climate change.