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
shūkōtsūshōkōkaijōyakude

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 修好通商航海条約

1. With the Treaty of Amity, Commerce, and Navigation

Te-Form