日露 にちろ和親 わしん条約 じょうやくであれば
ni chiro washinjōyakudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 日露和親条約

1. If the Japan-Russia Treaty of Amity and Commerce…; Were the Japan-Russia Treaty of Amity and Commerce…

Ba Conditional