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In page Kanagawa Prefecture:

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Commodore Matthew Perry landed in Kanagawa in 1853 and 1854 and signed the Convention of Kanagawa to force open Japanese ports to the United States. Yokohama, the largest deep-water port in Tokyo Bay, was opened to foreign traders in 1859 after several more years of foreign pressure, and eventually developed into the largest trading port in Japan. Nearby Yokosuka, closer to the mouth of Tokyo Bay, developed as a naval port and now serves as headquarters for the U.S. 7th Fleet and the fleet operations of the Japan Maritime Self-Defense Force. After the Meiji period, many foreigners lived in Yokohama City, and visited Hakone. The Meiji government developed the first railways in Japan, from Shinbashi (in Tokyo) to Yokohama in 1872.[citation needed]