Moei River The Moei River forms the border between Thailand and Burma. The river is the scene of clashes between the Tatmadaw and Karen militias. Often Karen people cross the river either in order to enter Thailand as refugees or to go back to Burma. Moei River The Moei River (, , , ) is a tributary of the Salween River. Unlike most rivers in Thailand, the Moei River flows north in a northwest direction. It originates in Phop Phra District, Tak Province, flowing then from south to north across Mae Sot, Mae Ramat, and Tha Song Yang Districts, finally entering the
State of Burma and Mongpan, which had already been given to Thailand. Ba Maw attended the Greater East Asia Conference in Tokyo from 5–6 November 1943. Though now nominally independent, the power of the State of Burma to exercise its sovereignty was largely circumscribed by wartime agreements with Japan. The Imperial Japanese Army maintained a large presence and continued to act arbitrarily, despite Japan no longer having official control over Burma. During 1943 and 1944, the Burma National Army made contacts with other political groups inside Burma, including the Communist Party of Burma which had been operating underground. Eventually, a popular front organization