Military government and the relationship with the united states had progressed in unison in thailand from 1947 to 1958 when phibun made his dramatic policy shift in favor of the united states with the bao dai and korea decisions in 1950 civilians in the press the cabinet parliament and the foreign ministry also saw their influence over policymaking drastically reduced over the following four years as the coup group consolidated power with the manhattan rebellion and the silent coup . Bounded by two important political events in thailand an army coup in 1947 and the militarys assumption of complete control of government in 1958 the period witnessed both the entrenchment of authoritarian military government in thailand and a revolution in us thai relations during these years the modern thai political system emerged and the united states established its interest and influence in mainland southeast asian affairs the developments of the period made possible americans . Bounded by two important political events in thailand an army coup in 1947 and the militarys assumption of complete control of government in 1958 the period witnessed both the entrenchment of. Bounded by two important political events in thailand an army coup in 1947 and the militarys assumption of complete control of government in 1958 the period witnessed both the entrenchment of authoritarian military government in thailand and a revolution in us thai relations a special relationship provides the most comprehensive analysis of this critical founding period of the thai american alliance it reveals surprising new information on joint covert operations in indochina . A special relationship the united states and military government in thailand 1947 1958 daniel fineman the development of the thai american alliance from 1947 to 1958 dramatically transformed both countries involvement in southeast asia bounded by two important political events in thailand an army coup in 1947 and the militarys assumption of complete control of government in 1958 the