永世 えうせい中立 ちゅうりつ こくじゃなかったです
euseichūritsu koku ja nakattadesu

Noun
Desu Copula

The polite, past negative form of 永世中立国

1. Was not a perpetually neutral country.; Wasn't a country eternally neutral.

Past/Perfective
Negative
Polite
Casual Register