防遏 ぼうあつ手段 しゅだんじゃなかったです
bōatsushudanjanakattadesu

Noun
Desu Copula

The polite, past negative form of 防遏手段

1. Wasn't a preventative measure.; Wasn't a means of containment.

Past/Perfective
Negative
Polite
Casual Register