修好 しゅうこう通商 つうしょう航海 こうかい条約 じょうやくなら
shūkōtsūshōkōkaijōyakunara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 修好通商航海条約

1. If/when the Treaty of Amity, Commerce, and Navigation…

Nara Conditional