国土 こくど安全 あんぜん保障 ほしょう しょうでした
kokudoanzenhoshō shōdeshita

Noun
Desu Copula

The polite past form of 国土安全保障省

1. Ministry of Homeland Security was. ; ; (Referring to a past state of being/identity)

Past/Perfective
Polite