Treaty of Kanagawa (1854): What the United States Gained, Not Japan

The question asks what Japan benefited, but the treaty was imposed by the U.S. under Commodore Perry. The provisions granted rights to the United States:

• Extraterritoriality: U.S. citizens in Japan subject to U.S. law, not Japanese courts.
• Trading Rights: Opening of Shimoda and Hakodate ports to U.S. ships for supplies, trade, and coal.
• Coaling Station: Designated at Nagasaki for U.S. naval vessels.
• Reparations: Japan paid $18,000 for injuries/damages from the 1853 Perry Expedition.

Japan's "Benefits" (Indirect & Long-Term)

• Forced end of sakoku (isolation) → catalyzed Meiji Restoration (1868).
• Exposure to Western tech/military/organization → rapid modernization.
• But these were consequences of coercion, not negotiated benefits.

The Treaty of Kanagawa was an unequal treaty favoring the U.S. Japan's gains came later, through self-driven reform.