Deterrent
Deterrence, Deter, Stave Off
This is going to suppress and stop what's coming at you. It's a deterrent.
よくし
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
どの国が一番素晴らしい犯罪抑止モデルを有していると思われますか。
Which country do you think has the best crime prevention model?