琉球 りゅうきゅう列島 れっとう米国 べいこく みん政府 せいふであれば
ryūkyū rettō beikokuminseifudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 琉球列島米国民政府

1. If it were the Ryukyu Islands U.S. Provisional Government; Were the Ryukyu Islands U.S. Provisional Government

Ba Conditional