交渉 こうしょう決裂 けつれつじゃなかったです
kō shōketsuretsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 交渉決裂

1. Negotiations didn't break down.; It wasn't a breakdown in negotiations.

Past/Perfective
Negative
Polite
Casual Register