妨害 ぼうがい戦術 せんじゅつじゃなかったです
bōgaisenjutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 妨害戦術

1. Wasn't disruptive tactics.; Wasn't a hindrance.

Past/Perfective
Negative
Polite
Casual Register