信任 しんにん統治 とうち制度 せいどではありませんでした
shinninto uchiseidodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 信任統治制度

1. Was not a system of trust-based rule.; Was not a system of governance based on trust.

Past/Perfective
Negative
Polite
Formal Register