こく かん相互 そうご主義 しゅぎではありませんでした
ni kokukansō goshugidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 二国間相互主義

1. Was not bilateral mutualism.; Was not reciprocal bilateralism.

Past/Perfective
Negative
Polite
Formal Register