戦国 せんごく乱世 らんせいじゃありませんでした
sengokuranseijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 戦国乱世

1. It was not the Warring States period.; It wasn't a time of civil wars.

Past/Perfective
Negative
Polite
Terminal Form