琉球 りゅうきゅう列島 れっとう米国 べいこく ぐん政府 せいふだったら
ryūkyū rettō beikoku gun seifudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 琉球列島米国軍政府

1. If/When the Ryukyu Islands U.S. Military Government…; Had been…; Were…

Tara Conditional