集団 しゅうだん てき防衛 ぼうえうじゃなかったです
shūdante kibōe uja nakattadesu

Noun
Desu Copula

The polite, past negative form of 集団的防衛

1. Wasn't collective defense.; Wasn't a collective defense.

Past/Perfective
Negative
Polite
Casual Register