US hosts and invites several world naval powers; primarily to set naval rules to avoid war in the future (America moving towards isolationism); Charles Evans Hughes, Harding's secretary of state, organized it. Five Power Pact: est. ratio for "capital ships" (navy's big ships): GB 5: US 5: Japan 3. MISTAKE: Japan built up her navy while GB and US had to scuttle ships. Four Power Pact: Jp, US, GB, and France decided to consult one another before hostile Pacific actions. Nine Power Pact: treaty that pledged that each country would uphold the Open Door Policy of John Hay (China)...US realized they failed later at Pearl Harbor. Can a world power be isolationist or have a small gov't? Apparently not.