Usage patterns
〈国〉と条約を結ぶto conclude a treaty with a country
Japan concluded a peace treaty with that country.
条約に調印するto sign a treaty
Representatives of both countries signed the treaty.
条約を締結するto formally conclude a treaty
The two countries formally concluded a new treaty.
条約を破棄するto abrogate/withdraw from a treaty
The country unilaterally abrogated the treaty.
条約が発効するfor a treaty to take effect
The new treaty will take effect next month.
〈国〉が条約に加盟するfor a country to accede to a treaty
Many countries have acceded to this treaty.
