Over the next few years, almost all of the governments that ARPA worked with on counterinsurgency collapsed. Only Thailand managed to avoid a total political implosion: a 1973 revolution toppled the military-led government, but the country never fell to a communist insurgency. In 1974, a communist junta took power in Ethiopia. The following year, South Vietnam fell to a conventional invasion by the North, and the country was united under a communist government; sectarian divisions in Lebanon ignited a civil war
