Blockade
Blockade https://diplomacy.state.gov/wp-content/themes/corpus/images/empty/thumbnail.jpg 150 150 https://secure.gravatar.com/avatar/77d297fd34b4f1cb20d77ddb5ccfdcde?s=96&d=mm&r=gThe isolation of a warring nation of an enemy area (such as a harbor) by troops or warships in order to prevent the passage of people or supplies. Any ships or aircrafts attempting to pass the blockade will be seized