This provision was contradictory to the provision for automatic participation in the war so that there was no expectation of its substantial effect, but it was added at the request of the US which was increasing its vigilance against the three countries: Japan, Britain and Russia.
ただしこの条文は自動参戦規定との矛盾を抱えていたため、実質的な効力は期待できなかったが、これは日本、イギリス、ロシアの3国を強く警戒するアメリカの希望によるものであった。