友好 ゆうこう通商 つうしょう航海 こうかいではありませんでした
yūkōtsūshō kōkaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 友好通商航海

1. Was not friendly commerce and navigation.; Was not engaged in friendly commerce and navigation.

Past/Perfective
Negative
Polite
Formal Register