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What incident forced Japan to acknowledge the interests out of outside nations?



Answer :

In 1853, the United States sent four naval vessels under the command of Commodore Matthew Perry to 'encourage' the Japanese Shogun to sign a trade treaty with America. Japan had no navy, so when Perry's ships (including two steamers) sailed into Tokyo Bay, the Japanese signed a treaty allowing American traders to sell goods into Japan and buy raw materials and other items for sale into the United States and other markets.