集団 しゅうだん安全 あんぜん保障 ほしょうじゃありませんでした
shūdan'anzenhoshōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 集団安全保障

1. Was not collective security.; Was not a group security measure.

Past/Perfective
Negative
Polite
Terminal Form