大衆 たいしゅう団交 だんこうではありませんでした
taishūdankōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大衆団交

1. Was not a mass negotiation.; Was not a large-scale collective bargaining session.

Past/Perfective
Negative
Polite
Formal Register