工業 こうぎょう先進 せんしん こくではありませんでした
kōgyōsen shinkokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 工業先進国

1. Was not an industrialized nation.; Was not a leading industrial country.

Past/Perfective
Negative
Polite
Formal Register