爆発 ばくはつ せい戦争 せんそう残存 ざんぞん ぶつではありませんでした
bakuhatsuseisensōzanzo mbutsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 爆発性戦争残存物

1. Was not an explosive remnant of war.; Was not an unexploded ordnance.

Past/Perfective
Negative
Polite
Formal Register