The United Kingdom, Japan, France, Italy, Belgium, China, Portugal, and the Netherlands are here to discuss the situation in the Far East. We're here to make an agreement on naval power!
The United States, United Kingdom, Japan, France, and Italy signed the Five-Power Treaty which served as a naval disarmament agreement. The treaty allowed the countries to have a certain number of warships for protection.
The United States, France, United Kingdom, and Japan agreed to the Four-Power Treaty. The countries would consult with each other before taking action in any future crisis in East Asia.