平和 へいわ維持 いじ活動 かつどうではありませんでした
heiwaijikatsudōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 平和維持活動

1. Was not peacekeeping operations.; Was not a peacekeeping activity.

Past/Perfective
Negative
Polite
Formal Register