沖縄 おきなわ返還 へんかん協定 きょうていであれば
okinawahenkankyōteideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 沖縄返還協定

1. If the Okinawa Reversion Treaty…; Were the Okinawa Reversion Treaty…

Ba Conditional