Salween River much of its length, the Salween's course is nearly parallel to that of the much larger Mekong in the east. Although the commonly accepted name is Salween, the river is known by a handful of other names regionally: "Nu" in China, "Thanlwin" in southern Burma, and "Salawin" on the border of Thailand and Burma. Several major sub-continental drainage basins border on the Salween. The Mekong basin forms nearly the entire eastern boundary of the watershed, while the Irrawaddy River flows southwards on the west side of the basin. The smallest boundary is formed by the Yangtze to the extreme north.
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