Geography of China Japanese junior high textbook minimized the atrocities of Nanjing stating that the massacre was an "incident". The textbooks transgression sent thousands of Chinese citizens out to protest and three weeks of state sanctioned protest led to rising tensions between Japan and China. Due to the opium wars between the British from 1839 to 1842, the British were able to make demands to the Chinese government before removing blockades and stopping bombardment on key ports. The Chinese agreed to cede the island of Hong Kong which in the control of the British, witnessed phenomenal growth. The population grew from 1,500 to
Immigration to China homeland. Several million may have done so since 1949. The largest influx came in 1978–79, when about 160,000 to 250,000 ethnic Chinese refugees fled Vietnam for southern China, as relations between the two countries worsened. Many of these refugees were settled in state farms on Hainan Island in the South China Sea. Another activity viewed as illegal is the influx of North Koreans into northeastern China. Some 1,850 North Koreans fled their country in 2004, but China views them as illegal economic migrants rather than refugees and sends many of them back. This is also due to pressure from North