Which of the following would prevent japanese intervention in its neighboring island of the philippines?
the gentlemen’s agreement
the roosevelt corollary
the root-takahira agreement
the treaty of portsmouth
the teller amendment

The Root-Trakahira treaty was held between the United States of America and the Empire of Japan in order to guarantee China's sovereignty and integrity, preventing the Japanese presence in the region. In addition, it determined the American ownership of the Philippines and Hawaii, preventing the Japanese empire from emanating influences for the region. The agreement was signed in November 1908.

the Root-Takahira Agreement 

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