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 quickly collapsed, and Ba Maw fled via Thailand to Japan, where he was captured later that year and was held in Sugamo Prison, Tokyo, until 1946. State of Burma The State of Burma () was a puppet state of the Empire of Japan, created in 1943 during the Japanese occupation of Burma in World War II. During the early stages of World War II, the Empire of Japan invaded British Burma primarily to obtain raw materials (which included oil from fields around Yenangyaung, minerals and large surpluses of rice), and to close off the Burma Road, which was a primary