攻勢 こうせい防御 ぼうぎょではありませんでした
kōsei bōgyodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 攻勢防御

1. Was not a counteroffensive.; Was not an offensive defense.

Past/Perfective
Negative
Polite
Formal Register