Blockade
Freezing
noun, verbal noun
ふうさ
包囲 （ほうい） Siege, Encirclement
封鎖 （ふうさ） Blockade, Freezing
遮断 （しゃだん） Isolation, Cut Off, Blockade, Quarantine
閉鎖 （へいさ） Closing, Closure, Shutdown, Lockout, Unsociable
A Blockade blocks food ふう, supplies さ, and people from getting in or out.
The Blockade blocked all but a few ふう sir さ
The fool ふう saw さ the Blockade and ignored it.