暴動 ぼうどう鎮圧 ちんあつじゃなかったです
bōdōchin atsu ja nakattadesu

Noun
Desu Copula

The polite, past negative form of 暴動鎮圧

1. Wasn't riot control.; Wasn't suppressing the riot.

Past/Perfective
Negative
Polite
Casual Register