<P> The Chiêu Hồi Program ((tɕiə̯w ˧ hoj ˧ ˩) (also spelled "chu hoi" or "chu - hoi" in English) loosely translated as "Open Arms") was an initiative by the South Vietnamese to encourage defection by the Viet Cong and their supporters to the side of the Government during the Vietnam War . </P> <P> Defection was urged by means of a propaganda campaign, usually leaflets delivered by artillery shell or dropped over enemy - controlled areas by aircraft, or messages broadcast over areas of South Vietnam . A number of incentives were offered to those who chose to cooperate, along with psychological warfare to break enemy morale . </P>

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