sentences:  Before the Japanese occupation of Korea in 1905, many Koreans opposed to the annexation relocated from Korea to Gando and established Korean independence movements.Many of these movements later came under the control of the Chinese Communist Party via the Northeast Anti-Japanese United Army.From 1907, the Japanese government claimed jurisdiction over all ethnic Koreans regardless of physical location, and friction increased with the government of Qing dynasty China over control of the Gando area, cumulating in the Gando Convention of 1909.