ソビエト社会 しゃかい主義 しゅぎ自治 じち共和 きょうわ こくだったら
sobietoshakaishugiji chikyōwakokudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of ソビエト社会主義自治共和国

1. If it were a Soviet Socialist Autonomous Republic; If it had been a Soviet Socialist Autonomous Republic

Tara Conditional