日米 にちべい貿易 ぼうえきじゃなかったです
ni chi bēbōekijanakattadesu

Noun
Desu Copula

The polite, past negative form of 日米貿易

1. It wasn't Japan-US trade.; It wasn't a Japan-US trade relationship.

Past/Perfective
Negative
Polite
Casual Register