妨害 ぼうがい戦術 せんじゅつではありませんでした
bōgaisenjutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 妨害戦術

1. Was not a disruptive tactic.; Was not a hindering strategy.

Past/Perfective
Negative
Polite
Formal Register