<prompt> Bhala okuqhubekayo kwalesi sigaba - Abantu baseMelika ababesebenzela izinkampani ezizimele eVietnam babengahlanganisiwe esiyalweni sikaMongameli, ngakho-ke imfundo yalabo abakhetha ukuhlala eSaigon kamuva yanikezwa izikole eziningana ezizimele ezasungulwa eSaigon ngemva kokukhishwa. Esinye salezi zikole sasibizwa ngokuthi i - Phoenix Study Group, abafundi baso babechazwa ngokuthi abantwana bezithunywa zevangeli, osomabhizinisi abacebile nezakhamuzi zaseMelika. Lesi sikole sokulandela saqhubeka sikhona kwaze kwawa iNingizimu Vietnam  <response>: emabuthweni aseNyakatho yeVietnam ngo-April 1975. 