興亡 こうぼう盛衰 せいすいじゃありませんでした
kōbōseisuijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 興亡盛衰

1. Was not prosperity and decline.; Was not flourishing and falling.

Past/Perfective
Negative
Polite
Terminal Form