沖縄 おきなわ返還 へんかん協定 きょうていじゃなかった
okinawahenkankyōteijanakatta

Noun
Da Copula

The past negative form of 沖縄返還協定

1. Wasn't the Okinawa Reversion Treaty.; Was not the Okinawa Reversion Treaty.

Past/Perfective
Negative