The relationship between Japan and the United States has been a longstanding one, with numerous agreements and treaties being signed over the years. One such agreement was the series of meetings held between 1906 and 1909, which were designed to support the concept of apex.

Apex, which stands for the “Anglophone Pacific Community,” was a term coined by US President Theodore Roosevelt in 1905. It referred to the idea that the United States and Great Britain should work together to maintain peace and stability in the Pacific region, and prevent other powers from gaining too much influence there.

The agreements between Japan and the United States during this period were largely guided by the apex concept. The two countries had already signed a treaty in 1902, which recognized each other`s territorial possessions and pledged mutual defense. However, tensions began to rise in the following years, with Japan becoming increasingly assertive in East Asia.

In 1905, Japan defeated Russia in a war over control of Korea and parts of Manchuria, which made it a major power in the region. The United States, which had been expanding its own influence in the Pacific through its acquisition of Hawaii, Guam, and the Philippines, began to view Japan as a potential rival.

To prevent a conflict between the two powers, President Roosevelt sought to engage Japan in a series of talks aimed at smoothing over their differences. The result was the Root-Takahira Agreement, signed in 1908, which pledged both countries to respect each other`s territorial integrity and stated that neither would seek to dominate the other in the Pacific.

The Root-Takahira Agreement was followed by several other treaties and agreements, including the Knox-Porter Resolution, which affirmed the United States` support for China`s territorial integrity and sovereignty, and the Gentlemen`s Agreement, which addressed the issue of Japanese immigration to the United States.

Overall, the agreements between Japan and the United States during this period were significant in their attempt to promote peace and cooperation in the Pacific region. While the apex concept ultimately proved unworkable due to differences between the two powers, the agreements helped to establish a framework for future negotiations and set a precedent for peaceful resolution of conflicts in the region.