Back Facción del Tratado Spanish پیمان جناحی Persian Faction du traité French 条約派 Japanese Phe Hiệp ước (Nhật) Vietnamese 大日本帝國海軍#两次大战之间 Chinese
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The Treaty Faction (条約派, Jōyaku-ha) was an unofficial and informal political faction within the Imperial Japanese Navy in the 1920s–1930s of officers supporting the Washington Naval Treaty.