過失 かしつ責任 せきにん主義 しゅぎじゃなかったです
kashitsusekininshugijanakattadesu

Noun
Desu Copula

The polite, past negative form of 過失責任主義

1. Wasn't fault-based liability.; Wasn't a fault-based liability system.

Past/Perfective
Negative
Polite
Casual Register