両面 りょうめん作戦 さくせんじゃありませんでした
ryōmensakusenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 両面作戦

1. It wasn't a two-pronged strategy.; It wasn't a double tactic.

Past/Perfective
Negative
Polite
Terminal Form