撹乱 かくらん戦術 せんじゅつではありませんでした
kakuransenjutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 撹乱戦術

1. Was not disruptive tactics.; Was not a disruptive strategy.

Past/Perfective
Negative
Polite
Formal Register