Explaining the origins of Thailand's hostile policies towards the People's Republic of China, this book discusses the factors, international and domestic, which influenced Thai leaders' perceptions that the PRC posed a threat to Thailand. It also analyzes the ways Thailand responded to this threat.Review of Sino-Thai relations before 1949; from avoidance to hostility - 1949-1950; towards an anti-Communist policy - 1951-1952; perception of Chinese Communist aggression - 1953-1954; Thailand and the establishment of the Southeast Asia treaty organization - 1954; complex interaction of factors - Thailand's policy towards the people's Republic of China.