What did the Taft Katsura agreement suggest America would support?

The Taft-Katsura Agreement of 1905 suggested that the United States would support Japan's interests in Korea, recognizing Japan's control over the Korean Peninsula. In return, Japan acknowledged the U.S. interests in the Philippines. This agreement marked a significant shift in American foreign policy, as it established a cooperative understanding between the two nations regarding their respective territorial ambitions in East Asia.