国家 こっか柱石 ちゅうせきだったら
kokkano chūsekidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 国家の柱石

1. If/When the pillar of the nation:; ; If/When a national pillar:; ; Were it a national pillar:

Tara Conditional