Japanese conquest of Burma main attack westward from Rahaeng in Thailand across the Kawkareik Pass. The 16th Indian Infantry Brigade of the 17th Indian Division guarding this approach retreated hastily westward. The Japanese division advanced to Moulmein at the mouth of the Salween River which was garrisoned by the 2nd Burma Infantry Brigade. The position was almost impossible to defend, and had the River Salween, almost wide, behind it. The 2nd Burma Brigade was squeezed into a progressively tighter perimeter, and eventually retreated over the river by ferry on 31 January after abandoning a large amount of supplies and equipment. Part of the force
Languages of Thailand Languages of Thailand An ethnolinguistic map of Thailand. Thailand, and its neighbor Laos, are dominated by languages of the Southwestern Tai family. Karen languages are spoken along the border with Burma, Khmer is spoken near Cambodia and Malay in the south near Malaysia. The following table comprises all 62 ethnic groups recognised by the Royal Thai Government in the 2011 Country Report to the UN Committee responsible for the "International Convention for the Elimination of All Forms of Racial Discrimination", available from the Department of Rights and Liberties Promotion of the Thai Ministry of Justice.<ref name="CERD/C/THA/1-3"></ref> The following table shows