戦略 せんりゃく てき互恵 ごけい関係 かんけいではありませんでした
senryaku teki gokei kankeidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 戦略的互恵関係

1. Was not a strategic mutually beneficial relationship.; Was not a strategic reciprocal relationship.

Past/Perfective
Negative
Polite
Formal Register