The Chinese East Migration in the Mid Nineteen Centary and the Formation of Chinese Community in Yokohama, Japan

Under U.S. pressure, Japan signed a treaty with the United States in July,1858 to open trade and promote contact between the two countries. As soon as Yokohama opened its door to westen countries, Chinese appared there, the most active being the Chinese wealthy businessmen who ran between Japanese and Westeners.In 1870, Japan signed a treaty with the Chinese Qing government, permitting China to open a consulate there,thus speeding up the formation of a Chinese community.