攻守 こうしゅ同盟 どうめいじゃありませんでした
kōshudōmeijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 攻守同盟

1. Was not a defensive-offensive alliance.; Was not a mutual defense pact.

Past/Perfective
Negative
Polite
Terminal Form