River systems of Thailand divides into two major branches, the " Tiền Giang" (Front River) and "Hậu Giang" (Back River). These in turn enter the South China Sea through nine estuaries. The following are the principal tributaries of Mekong River which flow through Thailand (tributaries entirely outside the Thai border not shown). The Mekong drains a considerable portion of northeast Thailand. In terms of Thai territory drained, it is second only to the Chao Phraya system. The Salawin River rises in Tibet (Tibetan: རྒྱལ་མོ་རྔུལ་ཆུ།) after which it flows through Yunnan, where it is known as the "Nujiang" River (), although either name can be
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