隆盛 りゅうせいではありませんでした
ryūseidewārimasendeshita

Noun
Desu Copula
na-Adjective
no-Adjective

The polite, past negative form of 隆盛

1. Was not prosperous.; Did not flourish.; Was not successful.

Past/Perfective
Negative
Polite
Formal Register